POLYISOBUTYLENE

Polyisobutylene is a colorless to light-yellow, elastic, semisolid or viscous substance. 
Polyisobutylene is a class of organic polymers prepared by polymerization of isobutene.
Polyisobutylene is odorless, tasteless, and nontoxic.

CAS Number: 9003-27-4
IUPAC Name: 2-methylprop-1-ene
EC Number: 618-360-8
Molecular Formula: C4H8

Other names: 2-methylprop-1-ene, 2-Methylpropene, 115-11-7, 2-Methyl-1-propene, 2-Methylpropylene, 1,1-Dimethylethylene, 1-Propene, 2-methyl-, Isopropylidenemethylene, Methylpropene, gamma-Butylene, Propene, 2-methyl-, 9003-27-4, 1,1-Dimethylethene, iso-butene, i-butene, unsym. dimethylethylene, CCRIS 2281, HSDB 613, UNII-QA2LMR467H, EINECS 204-066-3, QA2LMR467H, 2-METHYL-D3-PROPENE, DTXSID9020748, CHEBI:43907, 2-METHYL-D3-PROPENE-3,3,3-D3, 42278-27-3, 68037-14-9, sym-Dimethylethylene, MFCD00008898, 2-methyl-2-propene, UN1055, iso-butylene, 2-Methylpropyline, .gamma.-Butylene, 2-methyl-l-propene, 2-methyl-2 propene, iso-C4H8, DTXCID90748, Propene, 2-methyl-, tetramer, 1-Propene, 2-methyl-, trimer, 1,3-Propanediyl, 2-methylene-, DTXSID50164803, DTXSID601307041, AKOS000121111, UN 1055, I0091, I0909, I0910, I0911, I1082, I1083, NS00007976, InChI=1/C4H8/c1-4(2)3/h1H2,2-3H, A803373, Q776976, 13001-05-3, 68606-25-7

Isobutene is a colorless gas with a faint petroleum-like odor.
For transportation it may be stenched.
Polyisobutylene is shipped as a liquefied gas under its own vapor pressure.
Contact with the liquid can cause frostbite.
Polyisobutylene is easily ignited. 
Isobutene's vapors are heavier than air and a flame can flash back to the source of leak very easily.

The leak can either be a liquid or vapor leak.
Polyisobutylene can asphyxiate by the displacement of air.
Under prolonged exposure to fire or heat the containers may rupture violently and rocket.
Polyisobutylene is used in the production of isooctane, a high octane aviation gasoline.

Polyisobutylene is typically initiated with a strong Brønsted or Lewis acid. 
The molecular weight (MW) of the resulting polymer determines the applications. 
Low Molecular Weight Polyisobutylene, a mixture of oligomers with Mns of about 500, is used as plasticizers. 

Medium and high Molecular Weight Polyisobutylenes, with Mn ≥ 20,000, are components of commercial adhesives.
The polymers often have the formula Me3C[CH2CMe2]nH (Me = CH3). 
They are typically colorless gummy solids.

Melting point: 54-56 °C
Boiling point: 300 °C
Density: 0.92 g/mL 
Molecular Weight: 56.11 g/mol

XLogP3-AA: 2.1
Exact Mass: 56.062600255 g/mol
Monoisotopic Mass: 56.062600255 g/mol

Heavy Atom Count: 4
Complexity: 23
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes

Polyisobutylene is a polymer that belongs to the class of synthetic rubbers and elastomers. 
Polyisobutylene is a type of polyolefin, which means it is derived from the polymerization of olefins, particularly isobutene in the case of Polyisobutylene. 
Polyisobutylenes are hydrocarbons with a carbon-carbon double bond.

Polyisobutylene is composed of long-chain hydrocarbon formed by polymerization of isobutene, and is extremely stable under normal conditions. 
Polyisobutylene is transparent non-noxious high-consistency semi-solid polymer free of impurities.
Polyisobutylene is quite multi-functional and is used liberally in the cosmetic industry. 

This ingredient is basically a synthetic oil that acts as a preservative to increase the shelf life of the products. 
Polyisobutylene also gives the skin a glowy and dewy look. 
Polyisobutylene is an emollient that leaves the surface smooth and soft. 

Further, being waterproof, it makes the product last longer on the surface that it is applied on. 
The chemical formula of Hydrogenated Polyisobutylene is C33H68.
Polyisobutylene has unique properties: very low air, moisture, and gas permeability, good thermal and oxidative stability, chemical resistance, and high tack in adhesive formulations. 

Polyisobutylene and Hydrogenated Polyisobutylene are polymers. 
In cosmetics and personal care products, Polyisobutylene and Hydrogenated Polyisobutylene are used in the formulation of lipsticks, they can also be found in eye and facial makeup, skin care products and suntan products.
Polyisobutylene is a vinyl polymer that is made from the monomer isobutylene (IB) by cationic polymerization.

Despite its linear structure, Polyisobutylene is usually classifi ed as a synthetic rubber or elastomer. 
A polymer (big molecule from repeated subunits) that's used as a gloss improver for lipsticks and lipglosses. 
Polyisobutylene is stickiness also helps lip products to stay on longer. 

Polyisobutylene works by increasing the thickness of the lipids or oils in product formulations.
Polyisobutylene acts as a lubricant on the skin and is often used as a substitute for squalene.
Polyisobutylene works as an emollient and waterproofing agent to improve the appearance of the skin and improve the longevity of skincare products on the skin.

The physical properties of Polyisobutylene are very dependent on molecular weight. 
Polymers with average molecular weight (Mw) of about 15 000 are sticky viscous liquids whilst those with molecular weight of 100000-200000 are rubber-like, resembling unmilled crepe rubber.
Polyisobutylene is also common for hydrogenated Polyisobutylene to be found in water-resistant sunscreens, as this ingredient allows the sunblock to remain effective even after coming into contact with water.

Additionally, Polyisobutylene is valued for its ability to prevent the clumping of pigment in makeup and other skincare products.
Polyisobutylene is a synthetic liquid used to replaced mineral and silicone oils in formulations.
Polyisobutylene acts as a waterproofing agent and an emollient.

Polyisobutylene helps to maintain the natural skin barrier, prevent moisture loss, and improve the texture of the skincare product.
Polyisobutylene is used in products such as lip gloss, sunscreen, and foundations.
This is a critical quality for creating a smooth and enjoyable application, as it keeps the product looking fresh.

Lastly, Polyisobutylene is also used to increase the thickness of skin products to create a more luxurious feel.
This can be especially helpful in night-time moisturizers or creams that contain a variety of oils and when the formulation must stay thoroughly.
Polyisobutylene is a low-viscosity (Average MW 250 D) nonpolar polymer oil (liquid isoparaffin, propane-2-methyl- homopolymer), mineral oil substitute. 

Excellent emollient and moisturizer, restores skin suppleness, and prevents water loss (waterproofing agent). 
Pigment dispersing agent for color cosmetics. 
Shine enhancer for lip care products. 

Polyisobutylene is non-crystalline when unstretched and is therefore soluble at room temperature in hydrocarbons and halogenated hydrocarbons. 
The material is resistant to most acids, alkalis and aqueous solutions, as would be expected from its saturated hydrocarbon structure and absence of tertiary hydrogen atoms. 
The lack of tertiary hydrogen atoms renders Polyisobutylene more resistant to oxidation than polypropylene; also, the less numerous and partially shielded methylene groups in Polyisobutylene are less reactive than those in polyethylene. 

A limitation of Polyisobutylene is its tendency to cold flow and, as a result, the polymer finds little use in self-supporting form. 
Applications are restricted mainly to adhesives, fabric and paper coatings, and blends with other polymers. 
Low molecular weight Polyisobutylene is also used in caulking compounds.

Polyisobutylene is a synthetic polymer of isobutylene; used as a film-forming agent.
Polyisobutylene (polyisobutylene) is a class of organic polymers prepared by polymerization of isobutene.
The polymers often have the formula Me3C[CH2CMe2]nX (Me = CH3, X = H, F).

They are typically colorless gummy solids.
Polymerization is typically initiated with a strong Brønsted or Lewis acid.
Polyisobutylene is a synthetic polymer of isobutylene; used as a film-forming agent.

Polyisobutylene (polyisobutylene) is a class of organic polymers prepared by polymerization of isobutene.
Polyisobutylene is a mixture of oligomers with Mns of about 500 Polyisobutylene is used as plasticizers.
Polyisobutylene is homopolymers of isobutene.

Polyisobutylene is a chemically related cosmetic ingredient previously determined to be safe as used in cosmetic products.
Polyisobutylene is used in cosmetic products as a binder, film former, and nonaqueous viscosity-increasing agent.
Polyisobutylene functions as a skin-conditioning agent-emollient and nonaqueous viscosity-increasing agent with a wide range of uses in cosmetic formulations.

Polyisobutylene is a mixture of oligomers with Mns of about 500.
Polyisobutylene is used as plasticizers.
Medium and high MW Polyisobutylenes, with Mn ≥ 20,000, are components of commercial adhesives.

Polyisobutylene and Hydrogenated Polyisobutylene are homopolymers of isobutene.
These ingredients are produced in a wide range of molecular weights.
Polyisobutylene is a chemically related cosmetic ingredient previously determined to be safe as used in cosmetic products.

Polyisobutylene is used in cosmetic products as a binder, film former, and nonaqueous viscosity-increasing agent.
Polyisobutylene functions as a skin-conditioning agent-emollient and nonaqueous viscosity-increasing agent with a wide range of uses in cosmetic formulations.
Polyisobutylene is a synthetic liquid used to replaced mineral and silicone oils in formulations.

Polyisobutylene is a polymer (big molecule from repeated subunits) that's used as a gloss improver for lipsticks and lipglosses.
Polyisobutylene's stickiness also helps lip products to stay on longer.
Polyisobutylene is a non-toxic, hypoallergenic cosmetic ingredient.

Polyisobutylene is ideal for lip glosses, body butters, and massage oils.
Polyisobutylene acts as a waterproofing agent and an emollient.
An emollient helps to maintain the natural skin barrier, prevent moisture loss, and improve the texture of the skincare product.

Polyisobutylene or Polyisobutylene is a type of organic polymer that is made from the polymerization of isobutene.
Moreover, Polyisobutylene appears as separate, individual molecules while Polyisobutylene molecules contain lots of isobutene molecules connected to each other.
Polyisobutylene works by increasing the thickness of the lipids or oils in product formulations.

Polyisobutylene acts as a lubricant on the skin and is often used as a substitute for squalene.
Polyisobutylene works as an emollient and waterproofing agent to improve the appearance of the skin and improve the longevity of skincare products on the skin.
Polyisobutylene is a relatively common skincare ingredient.

Polyisobutylene is used in a large variety of products, including lip balm, BB cream, exfoliants, and moisturizers.
Hydrogenated Polyisobutylene has a range of functions in the cosmetic industry and is therefore used in a wide variety of products ranging from skin care to makeup to hair care products.
Polyisobutylene is a great emollient that clears the skin and leaves it feeling smooth and soft. 

This ingredient restores the skin’s natural barrier, preventing moisture loss and keeping it hydrated. 
Polyisobutylene is responsible for improving the texture of the formulations. 
Polyisobutylene also acts as a preservative to help increase the shelf life of the products.

Polyisobutylene enhances the appearance of the skin by imparting a glowing and dewy look.
Polyisobutylene helps maximize moisturization on the scalp while leaving the hair shinier and silkier. 
Polyisobutylene is a great conditioning agent that aids in de-frizzing and detangling the hair.

Polyisobutylene is also common for hydrogenated Polyisobutylene to be found in water-resistant sunscreens, as this ingredient allows the sunblock to remain effective even after coming into contact with water.
Polyisobutylene is valued for its ability to prevent the clumping of pigment in makeup and other skincare products.
Polyisobutylene is a gas-impermeable synthetic rubber that is manufactured and used globally to produce lubricants, adhesives, sealants

Polyisobutylene is a synthetic rubber, or elastomer.
Polyisobutylene, sometimes called butyl rubber, and other times PIB, is a vinyl polymer.
Polyisobutylene's very similar to polyethylene and polypropylene in structure, except that every other carbon is substituted with two methyl groups.

Polyisobutylene is made from the monomer isobutylene, by cationic vinyl polymerization.
Polyisobutylene is used in the formulation of lipsticks, they can also be found in eye and facial makeup, skin care products and suntan products.
Polyisobutylene is typically produced through cationic polymerization, which involves the initiation of polymerization by a cationic species. The polymerization of isobutene results in a long-chain polymer with repeating isobutene units.

Polyisobutylene dries to form a thin coating on the skin, hair or nails, and is used to hold together the ingredients of a compressed cake.
Polyisobutylene acts as a lubricant on the skin’s surface, which gives the skin a soft and smooth appearance.
Polyisobutylene is often referred to as butyl rubber and is produced in a wide range of molecular weights; the lower molecular weight.

Polyisobutylenes are very viscous, soft, and tacky semi-liquids while the higher molecular weight Polyisobutylenes are tough and elastic rubbery solids.
Polyisobutylene is a synthetic, relatively viscous emollient with research backing its ability to provide long-lasting moisture retention. 
Polyisobutylene acts as a lubricant on skin’s surface, providing a soft, smooth feel.

Polyisobutylene is also produced in a wide range of molecular weights and is widely used as a substitute for another cosmetic ingredient, squalene.
Polyisobutylene is a homopolymer with isobutene monomers, prepared by a polymerization reaction.
Polyisobutylene is used in a wide range of cosmetic products.

Polyisobutylene is used as a binder, film-former, and non-aqueous viscosity increasing agent in cosmetic products.
Polyisobutylene works as a non-reactive binder, which is a very important characteristic of a binder.
Polyisobutylene also functions as a viscosity increasing agent which when used increases the thickness of the solution and that gives ideal or acceptable viscosity to the product that is just right for use.

Polyisobutylene is well tolerated by the skin or quite mild on the skin.
Polyisobutylene is often used in the production of inner liners for tires to enhance air retention and reduce gas permeability.
Polyisobutylene is employed in the formulation of adhesives and sealants due to its adhesive properties and resistance to moisture.

Polyisobutylene is utilized as a viscosity modifier in lubricating oils to improve their flow characteristics.
Polyisobutylene is used as an additive in fuels and oils to enhance their performance and stability.
In cosmetics and personal care products, Polyisobutylene can be found in lipsticks, lip glosses, and other formulations due to its emollient properties.

Polyisobutylene is used in various chemical processes as a reactant or intermediate.
Polyisobutylene is used in formulations of make-up products, hair care, and skincare products.
Polyisobutylene is a polymer (big molecule from repeated subunits) that's used as a gloss improver for lipsticks and lipglosses.

Polyisobutylene's stickiness also helps lip products to stay on longer.
Polyisobutylene is a non-toxic, hypoallergenic cosmetic ingredient.
Polyisobutylene is ideal for lip glosses, body butters, and massage oils.

Polyisobutylene is an organic compound.
Polyisobutylene or Polyisobutylene is a type of organic polymer that is made from the polymerization of isobutene.
Polyisobutylene appears as separate, individual molecules while Polyisobutylene molecules contain lots of isobutene molecules connected to each other.

Polyisobutylene is a compound created via hydrogenation. Hydrogenation refers to a reaction where hydrogen alters the properties of a select substance. 
Polyisobutylene, in its non-hydrogenated form, is a synthetic polymer; it’s a liquid with film-forming and adhesive properties that make it valuable in cosmetics, though Heal Yes! avoids it.
In the cosmetics industry, Polyisobutylene is a popular ingredient because of the emollient and a thickening properties it can impart in skincare products and makeup, including, popularly, lip glosses. 

Polyisobutylene is a gas-impermeable synthetic rubber that is manufactured and used globally to produce lubricants, adhesives, sealants.
Polyisobutylene is a synthetic rubber, or elastomer.
Polyisobutylene acts as a lubricant on the skin’s surface, which gives the skin a soft and smooth appearance.

Polyisobutylene is a synthetic homopolymer of isobutene. 
Thus, Polyisobutylene is obtained by the polymerization of isobutene in the labs. 
Polyisobutylene can replace silicone oils and minerals in the formulations as it is healthier and more beneficial.

Polyisobutylene is often referred to as butyl rubber and is produced in a wide range of molecular weights; the lower molecular weight.
Polyisobutylenes are very viscous, soft, and tacky semi-liquids while the higher molecular weight Polyisobutylenes are tough and elastic rubbery solids.
Polyisobutylene is also produced in a wide range of molecular weights and is widely used as a substitute for another cosmetic ingredient, squalene.

Polyisobutylene can have a wide range of molecular weights, and the choice of molecular weight depends on the specific application. 
Higher molecular weights often lead to increased viscosity and improved properties such as adhesion and elasticity.
Polyisobutylene, a noteworthy ingredient in the professional skincare niche, boasts distinctive characteristics that elevate its standing in formulations. 

Renowned for its unique chemical composition and physical properties, this compound is meticulously sourced and manufactured for its pivotal role in skincare products. 
Commonly integrated into various formulations such as serums and moisturizers, Polyisobutylene contributes significantly to the enhancement of product texture and performance.
Polyisobutylene is prowess lies in fostering a smoother and well-hydrated skin feel, marking it as a valuable asset in the pursuit of skincare excellence. 

However, given the variability in individual skin types, prudent consideration and compatibility testing are recommended. 
In essence, Polyisobutylene stands as an indispensable ally in professional skincare formulations, delivering both functional and aesthetic benefits.
Polyisobutylene is a homopolymer with isobutene monomers, prepared by a polymerization reaction.

Depending upon its molecular weight it is used commercially as a plasticizer or adhesive.
Low molecular weight Polyisobutylene is a viscous, soft, semi-liquid.
Polyisobutylene is used in a wide range of cosmetic products.

Polyisobutylene imparts a distinctive and luxurious texture to skincare formulations, enhancing the sensory experience for users.
Polyisobutylene is use in serums and moisturizers helps in maintaining optimal skin hydration levels, contributing to a well-hydrated and supple skin feel.
Commonly integrated into various skincare products, Polyisobutylene plays a pivotal role in boosting the overall performance of formulations, ensuring they work effectively.

Polyisobutylene adds a touch of luxury to skincare products, elevating their aesthetic appeal and providing users with a more enjoyable experience.
One of the notable benefits is its ability to foster a smoother skin feel, contributing to a refined and comfortable application of skincare products.
Polyisobutylene's versatility makes it suitable for a range of formulations, allowing skincare product manufacturers to create diverse and effective products.

Polyisobutylene's special because it's the only rubber that's gas impermeable.
That is, Polyisobutylene's the only rubber that can hold air for long periods of time.
Polyisobutylene, sometimes called butyl rubber, and other times PIB, is a vinyl polymer.

Polyisobutylene's very similar to polyethylene and polypropylene in structure, except that every other carbon is substituted with two methyl groups.
Polyisobutylene is a polymer derived from isobutene, a gaseous hydrocarbon, and appears as a clear, colorless to pale yellow, viscous liquid with a thick consistency. 
Polyisobutylene is primarily utilized as an emollient in cosmetics, providing moisturizing and protective properties to the skin. 

Polyisobutylene forms a thin, occlusive film on the skin's surface, preventing water loss and maintaining skin hydration. 
Polyisobutylene is commonly found in various cosmetic products such as lip balms, moisturizers, foundations, and lipsticks, adding moisturization and texture-enhancing benefits.
The high molecular weight of this ingredient contributes to its thick texture and non-greasy feel. 

The chemical formula of Polyisobutylene is (C4H8)n, where "n" represents the repeating units in the polymer chain.
Polyisobutylene is made from the monomer isobutylene, by cationic vinyl polymerization.
Polyisobutylene and Hydrogenated Polyisobutylene are polymers.

In cosmetics and personal care products, Polyisobutylene is used in the formulation of lipsticks, they can also be found in eye and facial makeup, skin care products and suntan products.
Put super plainly, hydrogenated Polyisobutylene is a chemical or synthetic ingredient with emollient properties — meaning it can help prevent moisture loss — that's used to thicken lipids and oils in skincare products, as well as increase its wearability on the skin. 
There are various different grades of it that depend on the molecular weight, but it can range from very light and non-oily, to being more viscous. 

Polyisobutylene is a key player in professional skincare, bringing significant value with its unique composition and characteristics. 
Carefully selected for skincare formulations, this ingredient stands out for its special role in improving both the effectiveness and appearance of various products. 
Polyisobutylene is importance in skincare lies in its ability to contribute to a refined and well-hydrated skin feel. 

Since skincare needs differ, Polyisobutylene's crucial to grasp the subtleties of individual skin types and perform compatibility tests. 
In essence, Polyisobutylene represents a crucial element in professional skincare, balancing both practical and aesthetic aspects for optimal results.

Polyisobutylene exhibits a highly branched structure due to the presence of isobutene monomers. 
The degree of branching can influence the polymer's properties, such as its flexibility, viscosity, and resistance to crystallization.

Uses Of Polyisobutylene:
Polyisobutylene, sometimes called butyl rubber, and other times PIB, is a vinyl polymer. 
Polyisobutylene's very similar to polyethylene and polypropylene in structure, except that every other carbon is substituted with two methyl groups. 
Polyisobutylene also functions as a viscosity increasing agent which when used increases the thickness of the solution and that gives ideal or acceptable viscosity to the product that is just right for use.

Polyisobutylene is well tolerated by the skin or quite mild on the skin.
Polyisobutylene is used in formulations of make-up products, hair care, and skincare products.
Polyisobutylene can be used to modify the properties of other polymers. 

When blended with other polymers, Polyisobutylene can impart specific characteristics such as flexibility, impact resistance, and improved processability.
Polyisobutylene is used in the construction industry as an ingredient in caulks and sealants to provide effective sealing and bonding properties.
Polyisobutylene applied in the formulation of automotive fluids, such as transmission fluids and engine oils, to enhance lubrication properties.

Polyisobutylene is used as a component in cable filling compounds for telecommunications and power cables to provide insulation and protection.
Incorporated into damping greases for electronic devices and mechanical systems to reduce vibrations and noise.
Polyisobutylene is used in the production of electrical insulation materials and potting compounds.

Employed as a lubricant in the textile industry to reduce friction and enhance the processing of fibers.
Polyisobutylene is used in the mining industry as a dust suppressant due to its adhesive properties.
Polyisobutylene applied in anti-corrosion coatings for metal surfaces.

Included in the formulation of hydraulic fluids to improve lubrication and reduce wear in hydraulic systems.
Polyisobutylene is used as a plasticizer in the production of certain plastics to improve flexibility.
Blended with rubber and other polymers to modify their properties, such as elasticity and impact resistance.

Polyisobutylene is used as a mold release agent in the manufacturing of rubber and plastic products.
Incorporated into formulations as an anti-foaming agent to prevent the formation of foam in various industrial processes.
Applied in aerospace applications, such as in the manufacturing of sealants and lubricants for aircraft.

Included in metalworking fluids to improve lubrication and cooling during machining processes.
Polyisobutylene is used as a binder, film-former, and non-aqueous viscosity increasing agent in cosmetic products. 
As a binding agent, Polyisobutylene helps in binding or holding together the ingredients in a cosmetic product in the compressed cake or tablet form of product, for example, a compressed powder or eye shadow. 

Polyisobutylene works as a non-reactive binder, which is a very important characteristic of a binder. As a film-forming agent when applied on the hair or skin, it forms a supple, cohesive, and continuous layer. 
This layer/film has water-binding properties that leave a silky and smooth effect on the skin. 
Polyisobutylene also functions as a viscosity increasing agent which when used increases the thickness of the solution and that gives ideal or acceptable viscosity to the product that is just right for use. 

Polyisobutylene is well tolerated by the skin or quite mild on the skin.  
Polyisobutylene is used in formulations of make-up products, hair care, and skincare products.
Depending on how much is used, Polyisobutylene can make certain products ultra-shiny and show up dewy and glossy on the skin, which of course, many people love — especially in lip products and highlighter. 

In addition to lip gloss, find hydrogenated Polyisobutylene in products like sunscreen, moisturizers, and even foundation to help make them appear more hydrating on the skin. 
Polyisobutylene's adhesive properties make it valuable in the formulation of sealants and adhesives, providing excellent bonding capabilities.
Polyisobutylene is impermeability to gases makes Polyisobutylene a preferred material for inner liners in tubeless tires, reducing the loss of air over time.

Polyisobutylene is used as a viscosity modifier in lubricating oils, enhancing their performance. 
Polyisobutylene is also employed as a fuel and oil additive to improve properties like lubricity and stability.
In the cosmetics industry, Polyisobutylene is used in lip care products and cosmetics for its moisturizing and adhesive properties.

Due to its resistance to chemicals and temperature stability, Polyisobutylene is used in the manufacturing of gaskets and O-rings.
Polyisobutylene serves as a raw material or intermediate in the production of various chemicals.
Polyisobutylene is used as a binder, film-former, and non-aqueous viscosity increasing agent in cosmetic products.

As a binding agent, Polyisobutylene helps in binding or holding together the ingredients in a cosmetic product in the compressed cake or tablet form of product, for example, a compressed powder or eye shadow.
Polyisobutylene works as a non-reactive binder, which is a very important characteristic of a binder.
Polyisobutylene is made from the monomer isobutylene, by cationic vinyl polymerization.

Polyisobutylene is used in a large variety of products, including lip balm, BB cream, exfoliants, and moisturizers.
There are several qualities of this ingredient that have made it popular with skincare manufacturers.
One of the beneficial qualities of Polyisobutylene is its ability to moisturize the skin, making it a popular ingredient in skin creams.

However, Polyisobutylene's role in skincare is to reinforce the moisture barrier, rather than to deliver copious amounts of hydration.
For example, hyaluronic acid is typically more useful for drawing moisture to the skin and is highly valued in skincare formulations.
The strength of hydrogenated Polyisobutylene, on the other hand, comes from its ability to fortify the skin’s natural barrier to reduce moisture loss.

Polyisobutylene is used as a substitute for mineral oil or silicones because of its similar action to help maintain skin’s moisture barrier and improve the feel of skin care products.
Polyisobutylene is a synthetic rubber, or elastomer. 
Polyisobutylene's special because it's the only rubber that's gas impermeable. 

That is, Polyisobutylene's the only rubber that can hold air for long periods of time. 
This is because they are made of polyisoprene, which is not gas impermeable. 
Because polyisobutylene will hold air, it is used to make things like the inner tubes, liner layers of tires, and the inner liners of basketballs.

In the automotive industry, high molecular weight Polyisobutylene is used as a key component in fuel detergents. 
These detergents help prevent the formation of deposits in fuel injectors and intake valves, contributing to improved engine performance and fuel efficiency.
Polyisobutylene is sometimes used in medical and pharmaceutical applications, particularly in the manufacturing of certain types of adhesives and coatings for medical devices.

Polyisobutylene is biocompatibility and inert nature make it suitable for such applications.
Polyisobutylene is used in the production of inner liners for tires to improve air retention and reduce gas permeability.
Employed in the formulation of adhesives and sealants due to its adhesive properties and resistance to moisture.

Polyisobutylene is used as a viscosity modifier in lubricating oils to improve flow characteristics.
Included in the formulation of synthetic lubricants for various applications.
Polyisobutylene acts as an additive in fuels and oils to enhance performance, stability, and detergency.

Found in cosmetics, lipsticks, lip glosses, and other personal care products for its emollient properties.
Polyisobutylene is used in the manufacturing of certain medical adhesives and coatings for devices due to its biocompatibility.
Polyisobutylene included in automotive fuel detergents to prevent the formation of deposits in fuel injectors and intake valves.

Polyisobutylene is used in some food packaging applications to enhance barrier properties and extend the shelf life of packaged products.
Due to its resistance to chemicals and temperature stability, Polyisobutylene is used in the manufacturing of gaskets and O-rings.
Polyisobutylene acts as a raw material or intermediate in the production of various chemicals.

Polyisobutylene is used as a component in the production of certain synthetic rubbers.
Ongoing research explores the use of bio-based Polyisobutylene in the formulation of more environmentally friendly lubricants.
Blended with other polymers to modify properties such as flexibility, impact resistance, and processability.

Safety profile Of Polyisobutylene:
Hydrogenated Polyisobutylene is safe for skin and hair. 
Polyisobutylene has been approved for use as it does not have any major side effects, even if accidentally ingested. 
Polyisobutylene does not clog pores or cause acne as it is non-comedogenic. 

However, a patch test is recommended for people with highly sensitive skin. 
Also, since Polyisobutylene is not derived from any animal sources it is completely vegan.