LAURETH 23

LAURETH 23 = Polyoxyethylene lauryl ether

CAS NO: 9002-92-0
EC NO: 500-002-6
Formula:C58H118O24

What Is Laureth 23?
Laureth 23 is polyoxyethers of lauryl alcohol. Laureth 23 is a clear, colorless liquids. In cosmetics and personal care products, Laureth 23 is used in the formulation of a variety of bath, eye, facial, hair, cleansing and sunscreen products.Laureth 23 also used in cuticle softeners, deodorants and moisturizing products.

Why is Laureth 23 used in cosmetics and personal care products?
Laureth 23 both function as surfactants. Laureth-4 functions as a surfatant - emulsfying agent, while Laureth 23 functions as a surfactant - cleansing agent and a surfactant - solubilizing agent.

Scientific Facts: 
Laureth 23 is produced by reacting ethylene oxide with lauryl alcohol. The numerical designation refers to the average number of repeating ethylene oxide units in the molecule. As the numerical value of Laureths increases, the viscosity of the ingredient increases until they become white, waxy solids.

LAURETH 23 is classified as :
Cleansing
Emulsifying
Surfactant

Laureth 23 is a high HLB emulsifier used in oil-in-water emulsions. Laureth 23 finds use in cosmetic and pharmaceutical products as a surfactant, emulsifier and solubilizer.  It is particularly useful in some formulations in light of its chemical inertness to hydrolytic decomposition. 

Laureth 23 is a nonionic surfactant prepared from lauryl alcohol and 23 moles of ethylene oxide. Laureth 23 contains an average of 23 repeating ethylene oxide units.  Small amounts of 1,4-dioxane, a by-product of ethoxylation, may be found in Laureth-23. The potential presence of this material is well known and can be controlled through purification steps to remove it.  Our product has been purified and contains no 1,4-dioxane (0 ppm).

While soluble in water, like most emulsifiers, Laureth 23 should be added to the oil phase of your formulation and heated past the melt point of the highest melt point material.  Oil and water phases should be combined at the same temperature.

Typical Usage Rate: 1-5%
Appearance: Physical Form: White Waxy Solid
Solubility: Soluble in water
pH (5% in water): 6
Melting Point: 40°C (104°F)
Shelf Life: 24 Months
HLB: 16.9

What Is Laureth 23?
Laureth 23 is a synthetic ingredient that is used in many different cosmetics and skincare products to improve the texture and feel. 

Laureth 23 is produced through a process known as ethoxylation, a chemical reaction in which ethylene oxide is added to a substrate. In this case, the substrate is lauryl alcohol. Lauryl alcohol is obtained from lauric acid, a saturated fatty acid with a 12-carbon atom chain that can be found in palm kernel oil or coconut oil. The number associated with the laureth 23 indicates the average number of repeating ethylene oxide units in the molecule. As the numerical value of laureth ingredients increases, the thickness or viscosity increases until they become white, waxy solids.

Laureth 23 is used to improve the texture and stability of products.
Laureth 23 doesn’t  provide any specific benefits to the condition of the skin.
WHO IS ILaureth 23 FOR? All skin types except those that have an identified allergy to it.
SYNERGETIC INGREDIENTS:Works well with most ingredients

KEEP AN EYE ON:As laureth 23 is produced through ethoxylation there is some controversy over its safety. However, laureth 23 is considered to be safe if Laureth 23 is used in the guidelines. More on this later.

Why Is Laureth 23 Used?
In cosmetics and skincare products, laureth 23 functions as a surfactant and emulsifier. Laureth 23 can be found in bath, cleansing, hair, and sunscreen products. Laureth 23 is also used in cuticle softeners, deodorants, and moisturizing products.

Laureth 23 as a Surfactant
As a surfactant, laureth 23 works by lowering the surface tension between two substances, such as two liquids or a liquid and a solid. A surfactant molecule contains one end that is hydrophilic or attracted to water and one end that is lipophilic or attracted to oil. This allows surfactants to attract and suspends oils, dirt, and other impurities that have accumulated on the skin and wash them away. Due to these properties, laureth 23 can be found in many different cleansers and body washes.

Laureth 23 as Emulsifier
Emulsifiers are necessary when a formulation contains both water and oil components. When water and oil-based ingredients are mixed together the two ingredients often separate or split. To address this problem, an emulsifier like laureth 23 can be added which helps to produce a stable product.

Is Laureth 23 Safe?
The Cosmetic Ingredient Review Expert Panel evaluated the scientific data and concluded that the laureth ingredients were safe as used in cosmetic products only when formulated to be non-irritating. This is because the laureth ingredients have the potential to irritate the skin. Laureth 23 is declared safe as used in concentrations up to 6 percent. 

Despite the approval of laureth 23 by the CIR Expert Panel, there are concerns about the presence of ethylene oxide in this ingredient. This is because the process of ethoxylation may lead to contamination with 1,4-dioxane, a potentially dangerous by-product. In fact, 1,4-dioxane is a known animal carcinogen that penetrates readily into the skin. This ingredient has also been linked with skin allergies. However, manufacturing and purifying processes and guidelines ensure the safety of ingredients that are produced via ethoxylation.

A white waxy solid that helps water and oil to mix nicely together (emulsifier). It is derived from the fatty alcohol lauryl alcohol by ethoxylating it and thus making the molecule a lot more water-soluble. In fact, Laureth 23 is mostly water-soluble acting as a solubilizer for dissolving small amounts of oily things into water-based formulas.

Laureth-23 is a nonionic surfactant prepared from lauryl alcohol and 23 moles of ethylene oxide. Laureth 23 is used in cosmetics as a surfactant and emulsifier: HLB (16.9).Laureth 23 makes it possible to create emulsions of the oil-in-water type.
Its functions (INCI)
Cleaning Agent: Helps keep a clean surface
Emulsifying agent: Promotes the formation of intimate mixtures between immiscible liquids by modifying the interfacial tension (water and oil)
Surfactant: Reduces the surface tension of cosmetics and contributes to the uniform distribution of the product during its use

Laureth-23 is polyoxyethers of lauryl alcohol that is used in cosmetics and personal care products.  Lauryl alcohol is derived from lauric acid through a process known as ethoxylation, whereby ethylene oxide is added to a substrate.  Lauric acid is a saturated fatty acid with a 12-carbon chain that is found in palm kernel oil or coconut oil.  The number associated with the laureth product (i.e. Laureth-4 or Laureth-23) indicates the average number of repeating ethylene oxide units in the molecule.  Laureth-23 is both clear, colorless liquids, but as the numerical value of laureth ingredients increases, the viscosity increases until they eventually become white, waxy solids. 

Both Laureth-23 function as surfactants.  Surfactants lower the surface tension between two substances, such as two liquids or liquid and solid.  A surfactant molecule contains one end that is hydrophilic (attracted to water) and one end that is lipophilic (attracted to oil), allowing it to attract and suspend dirt, oils, and other impurities.  Laureth-23 is used in many different cleansers and body washes, where it functions as a surfactant – cleansing agent and a surfactant – solubilizing agent. 

Emulsification is another function performed by Laureth-23.  Emulsifiers are required for formulations containing both water and oil components to prevent the two phases from separating if the product is left to settle.  Emulsifiers like Laureth-23 will help oil droplets remain dispersed, improving consistency and enabling an even distribution of topical skin care benefits.   Laureth-23 has an HLB value of 16.9.  An HLB greater than 10 indicates that the substance is soluble in water, and high HLB emulsifiers such as Laureth-23 give rise to oil-in-water emulsions.

Specifications:
Appearance @ 25° C: White waxy solid
Acid number: 1.0 Maximum
Hydroxyl value: 40 - 60
pH (5% solution): 5-7.5
Moisture %: 1.0 Maximum
Color (apha): 100 Maximum
Applications
Emulsifier for cosmetics and pharmaceuticals
Properties
Favorable emulsifier for O/W type emulsion like skin creams

functional
Nonionic emulsifier for the production of various oil-in-water (O/W) emulsions.
It also acts as an emulsion stabilizer,
surfactant,.
Arrangements in special regulations.
inert against hydrolytic decomposition
clothes.
Hypoallergenic, not carcinogenic.
Both cosmetics and household chemicals can be considered in various cleanings

 Applications:
Hair conditioners / dyes
Face/eye cleansers
shower gels / body wash
shaving foam
sunscreen cosmetics
Cuticle softeners
Deodorants / Sweats
household chemicals
Main purifier: cleansing and emulsifying agent
Like most emulsifiers, it should be added to the oil phase of your formulation and heated to the melting point of the material with the highest melting point. The oil and water phases should be combined at the same temperature.

Laureth -23 is a synthetic polyoxyether of lauryl alcohol. The number indicates the average molecules of ethylene oxide. More the number, the physical state changed from liquid to solid. Each laureth may have a different physical form but the uses are almost same.

APPEARANCE
Soft white solid with mild fatty odor
FUNCTION
In cosmetics and personal care products, the laureth ingredients are used in the formulation of a variety of bath, eye, facial, hair, cleansing and sunscreen products. They are also used in cuticle softeners, deodorants and moisturizing products.

Item        Result
Appearance        Milky white solid
Molecular weight        1080
PH Value        6.0~8.0
Hydroxyl value        48~54
Water content        ≤1.0%

Laureth 23, it has a good biodegradability, and cryogenic property, usually used as dispersants, levelling agents, electrostatic-proof agents and emulsifiers, also the detergent. In dyeing and spinning industry,Laureth 23 is used as levelling agents and stripping agent; used as emulsifiers.It can remove the dirty dyes on the fabric surface when painted, thus can strengthen the dirty-removing ability, lessen the electrostatic effect of the fabrics.
Used for cleansing and solubilizing (a solubilizer helps dissolve in water substances that might not otherwise easily dissolve in water, such as fats)

Laureth 23 is a non-ionic, vegetable based, emulsifier for cosmetic O/W and partially also for W/O emulsions. Suitable for skin care creams, lotions and the preparation of antiperspirants. Stable emulsions over a wide pH range. Laureth 23 emulsifies oils and fats in highly acidic or alkaline media and is easy to process.
Laureth 23 has a high HBL value, i.e. it is easily soluble in water and is therefore often used in oil-in-water emulsions.Laureth 23 is often used in cosmetic products as a surfactant or emulsifier.

Laureth-23 is a polyethylene glycol ether of Lauryl Alcohol. It is a high HLB emulsifier used in oil-in-water emulsions. Laureth-23 is used in cosmetic and pharmaceutical products as a surfactant, emulsifier and solubilizer.
Laureth-23 is a solid emulsifier or binder, melted at temperatures above 60 degrees, easy to use, just heating between 60-70 degrees, mixed in oil-phase

Usage: As an emulsifier or a lotion or cream
Mixing method: Mix in oil (oil-phase) then use heat between 60-70 degrees to dissolve Laureth-23 in oil. Before mixing with water (water-phase)
Rate of use: 1-5% (do not use more than 6%)
Product characteristics: A wax-like solid will become a liquid at temperatures above 60 degrees.
Solubility: Can dissolve in water and oil
Laureth-23 is produced by reacting ethylene oxide with lauryl alcohol. The numerical designation refers to the average number of repeating ethylene oxide units in the molecule. As the numerical value of Laureths increases, the viscosity of the ingredient increases until they become white, waxy solids.
Solution is a polyoxyethylene fatty ether derived from stearyl alcohols designed to emulsify and produce stable dispersions of personal care products and functional cell membrane materials complexes. It appears as a colorless to light yellow liquid that may become hazy or form a precipitate.

Appearance at 25° C: white waxy solid
Acid number: 1.0 Maximum
Hydroxyl value: 40 - 60
pH (5% solution): 5-7.5
Moisture %: 1.0 Maximum
Color (apha): 100 Maximum

What is Laureth-23 used for?
In cosmetics and personal care products, laureth-23 functions as a surfactant and emulsifier.Laureth 23 can be found in bath, cleansing, hair, and sunscreen products. It is also used in cuticle softeners, deodorants, and moisturizing products. … High HLB emulsifiers such as laureth-23 give rise to oil-in-water emulsions.

Laureth-23 is a surfactant made from lauryl alcohol and ethylene oxide. Laureth 23 is a clear, colorless, water-soluble substance of synthetic origin.Laureth 23 is added to hair and body care products as well as sunscreen cosmetics and cleansers or conditioners.
Laureth-23 is one of the ethoxylated compounds prepared by the polymerization of ethylene oxide and available in a wide range of molecular weights. During the reaction, the by-product 1,4-dioxane is formed. These two substances known to have carcinogenic effects (ethylene oxide, 1,4-dioxane) are common contaminants of ethoxylated compounds. If ethoxylated compounds are used as cosmetic raw materials, the concentration of these contaminants must be reduced to the "permissible level".

Laureth-23 is a solubilizing, dispersing and wetting agent in solid form used in hair care, personal hygiene items, perfumes and fragrance applications.Laureth-23 of surfactants are plant-based fatty ethers derived from polyoxyethylene lauryl, cetyl, stearyl and oleyl. These materials are of natural origin, soft, and non-ionic, practically odorless and and as a series, they offer a varied set of emulsifying characteristics that allows them to give a unique body, extension and stabilizing properties to the emulsions. Because Laureth-23 surfactants exhibit synergistic behavior, they can achieve even greater effects when used together. The extraordinary synergy shows that the Laureth-23 combination is particularly evident in the case of difficult-to-formulate emulsions, such as clear gel microemulsions and alkali-based hair straighteners.

Laureth-23 is a polyethylene glycol ether of lauryl alcohol.Laureth 23 is a clear, colorless, water-soluble substance of synthetic origin.Laureth 23 is used in cosmetics as a detergent component and as a solubilizing agent. Laureth 23 is added to hair and body care products, but also to sunscreen cosmetics and cleansers or fabric softeners. Laureth 23 is problematic because its production uses an ethoxylation process and may be contaminated with 1,4-dioxane. May irritate eyes, skin and respiratory system. Laureth 23 has toxic activity for non-reproductive organs, developmental toxicity, is toxic to aquatic organisms and poorly biodegradable. In the amount in which it is used as a cosmetic ingredient, it is considered a safe substance.

Laureth-23 is a high HLB emulsifier used in oil-in-water emulsions. Laureth-23 is used in cosmetic and pharmaceutical products as a surfactant, emulsifier and solubilizer. It is especially effective in certain formulations that must be resistant to hydrolytic degradation.

Laureth-23 is a non-ionic surfactant derived from lauryl alcohol and ethylene oxide. Laureth-23 contains an average of 23 repeating units of ethylene oxide.

Functions:
 This ingredient has several functions, most often it is:
a CLEANSING AGENT, its role is to clean the skin or hair.
a SURFACTANT, its role is to help other ingredients, which normally do not mix, to dissolve or to disperse into each other in order to evenly distribute the product during its use.
a SURFACTANT - EMULSIFIER, its role is to mix the aqueous and oily phases of a formula to create an emulsion.

Usage:Have no influence on the foam of cleaning products and less effect on the stability of system improve deposits of silicone oil on hair Used in 2in l shampoo or hair conditioners. provide the appropriate con ditioning and wellness to both wet and dry hair, make the h air soft and shiny and repair the damaged hair Used in body wash . excellent moisturizing effect, make skin slippery

Description: An evenly distributed large particle size silicone emulsion was obtained by mixing 60% of higher molecular weight silicone and emulsifier with mechanical stirring Particle size distribution of large paiticle size silicone emulsion was controlled accurately, main particle size distribution was between 20 and 40u m

About this substance
Helpful information
Laureth-23 is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 to < 100 tonnes per annum.

Laureth-23 is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing and at industrial sites.

Consumer Uses
Laureth-23 is used in the following products: pharmaceuticals, cosmetics and personal care products, polishes and waxes and washing & cleaning products.
Laureth 23 to the environment of this substance is likely to occur from: indoor use as processing aid and outdoor use as processing aid.

Article service life
Release to the environment of this substance can occur from industrial use: industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal).

Widespread uses by professional workers
Laureth-23 is used in the following products: pharmaceuticals, polishes and waxes and washing & cleaning products.
This substance is used in the following areas: health services.
Laureth 23 to the environment of this substance is likely to occur from: outdoor use as processing aid and indoor use as processing aid.

Formulation or re-packing
Laureth-23 is used in the following products: cosmetics and personal care products and adhesives and sealants.
Release to the environment of this substance can occur from industrial use: formulation of mixtures.
Uses at industrial sites
Laureth-23 is used in the following products: pharmaceuticals, lubricants and greases and washing & cleaning products.
Laureth-23 is used in the following areas: formulation of mixtures and/or re-packaging.
Laureth-23 is used for the manufacture of: plastic products and chemicals.
Release to the environment of this substance can occur from industrial use: of substances in closed systems with minimal release, as processing aid and as processing aid.

Description        
As a non-ionic surfactant, Laureth-23 has excellent washing, emulsifying, dispersing, wetting, and solubilizing functions.Laureth 23 also shows strong foaming ability, easy rinsing performance, and excellent detergency. Because this substance acts as one of the lowest irritant species among various surfactants,Laureth 23 is often selected as raw material for mild detergents, shampoos (such as baby shampoos), bath lotion, cleansing milk, and cosmetics. In addition, this chemical may function as emulsifier, softener, wetting agent, and foaming agent. In terms of solubilizing function, this product has been demonstrated to assist in solubilization of steroid hormones, benzoic acid derivatives, and barbiturates.1-3 Besides, when used as surfactant emulsifier, Laureth-23 is proved to be an active agent for preparing nanoemulsions for food applications.

Chemical Properties :White or almost white, unctuous and hygroscopic mass, melting at 24 °C into a colourless or yellowish, viscous liquid.

Uses of Laureth 23: Solvent; nonionic emulsifier; pharmaceutic aid (surfactant); spermaticide.
Uses of Laureth 23 : Ethosperse(R) LA-4 is a medium range HLB, ethoxylated, nonionic ether of lauryl alcohol with broad range pH stability. It is suggested for use as an emulsifier in cosmetics to add body and texture (humectant), in household products and in lubricants.
General Description: Clear colorless to light yellow viscous liquid. Colorless at 266°F; brown at 644°F. Bland odor.

Air & Water Reactions
Water soluble.
Reactivity Profile
Polyoxyethylene lauryl ether is incompatible with strong oxidizing agents and strong bases.
Fire Hazard
Polyoxyethylene lauryl ether is combustible.

Laureth-23 is a polyglycol ether which functions as a detergent for the isolation of functional cell membrane complexes. Studies indicate that Laureth-23 acts as a surfactant in Micellar electrokinetic chromatography (MEKC). It is known that Laureth-23 is also beneficial in UV monitoring of solubilized proteins due to their low UV absorbance. This compound is useful in slowing down electroosmotic pumping, which allows users to change pH values without drastically altering the flow rate.

IUPAC names
1-dodecanol
2-dodecoxyethanol
Alcohols, C12-14 ethoxylated
C12 Alcohol ethoxylate
Dodecan-1-ol, ethoxylated
Dodecan-1-ol, ethoxylated
Dodecan-1-ol, ethoxylated (1-2.5 mol EO)
Dodecan-1-ol, ethoxylated, 1 - 2.5 moles ethoxylated
Dodecyl alcohol, monoether withpolyethylene glycol
Dodecyl polyglycol ether
dodekan-1-ol, ethoxylovaný
Ethoxylated fatty alcohol
Ethoxylated lauryl alcohol
Poly(EO) Mono-lauryl Ether
Poly(oxy-1,2-ethanediyl) , .alpha.-dodecyl-.omega.-hydroxy-
Poly(oxy-1,2-ethanediyl), .alpha.-dodecyl-.omega.-hydroxy-
Poly(oxy-1,2-ethanediyl), a-dodecyl-w-hydroxy-
Poly(oxy-1,2-ethanediyl), α-dodecyl-ω-hydroxy-
poly(oxyethylene) lauryl ether
polyethylene glycol laurel ether
Polyethylene Glycol Monododecyl Ether n(=:)25
Polyoxyethylene (35) Lauryl Ether
Polyoxyethylene lauryl ether
Polyoxyethylene(4)lauryl alcohol ether
α-Dodecyl-ω-hydroxypoly(oxy-1,2-ethanediyl)

Other Names
Fatty Alcohol Pure 12/12
Laureth-11, Laureth-13, Laureth-14, Laureth-15, Laureth-16, Laureth-20, Laureth-23, Laureth-25, Laureth-30, Laureth-40
Poly(oxy-1,2-ethanediyl), .alpha.-dodecyl-.omega.-hydroxy-
Poly(oxy-1,2-ethanediyl), .alpha.-dodecyl-.omega.-hydroxy
Glycols, Polyethylene
Fatty Alcohol Tech 12/3 (3EO)
Monodocecyl Ether
Sinopol 1106
C12-C14 Alcohol 7EO
Sinopol 1103
Ethoxylated Lauryl Alcohol
Fatty Alcohol Tech 4 Liquid (4.5 EO)
POLY(OXY-1,2-ETHANEDIYL),.ALPHA.-DODECYL-.OMEGA.-HYDROXY-
POLY(OXY-1,2-ETHANEDIYL), .ALPHA.-DODECYL-.OMEGA,-HYDROXY-
Glycols, polyethylene monododecyl ether
Polyoxyethylene, lauryl ether (LE-9)
Peg-3 Lauryl Ether
Dodecyl Alcohol, Monoether With Polyethylene Glycol
Surfactant Fatty Alcohol Tech 8
Fatty Alcohol Tech 12/3
FATTY ALCOHOL TECH 12/7
Lauryl Alcohol 7 Eo
Sinopol 1105H
Fatty Alcohol Polyglycol Ether