PRODUCTS

CERASYNT SD

CAS No. : 31566-31-1
EC No. : 250-705-4

Synonyms:
Glyceryl Stearate; Cerasynt™ SD ester; serasinit sd; serasint sd; serasynt sd; gliseril monostearat; gliseril monosterat; cerasynt cd; serasinid sd; serasind sd; Cerasynt Stearates; Glyceryl Stearate [GMS]; 1,2,3-Propanetriol monooctadecanoate; Aldo MS; Imwitor 900K; Cerasynt SD; Glycerol monostearate; Witconol MS; Unimol SD; CERASYNT SD-; Unimol SD; C21H42O4; 2,3-dihydroxypropyl octadecanoate; 2,3-Dihydroxypropyl octadecanoate; Glyceryl monostearate; Glycerin monostearate; Monostearin; (Mix): Mixture of 1- and 2- isomers; (1-): 1-glycerol monostearate; (2-): 2-glycerol monostearate; GMS; Monostearin; 123-94-4; Tegin; 1-Glyceryl stearate; Stearin, 1-mono-; Glyceryl monostearate; Octadecanoic acid, 2,3-dihydroxypropyl ester; 1-Monostearoylglycerol; Sandin EU; 31566-31-1; 1-MONOSTEARIN; Glycerin 1-monostearate; Aldo MSD; Aldo MSLG; Glycerin 1-stearate; Glycerol 1-stearate; Arlacel 165; Tegin 55G; alpha-Monostearin; Emerest 2407; Aldo 33; Aldo 75; Glycerol 1-monostearate; Glyceryl 1-monostearate; Stearic acid 1-monoglyceride; 1-Stearoyl-rac-glycerol; Stearoylglycerol; 2,3-dihydroxypropyl octadecanoate; 3-Stearoyloxy-1,2-propanediol; Glycerol alpha-monostearate; .alpha.-Monostearin; Tegin 515; 1-octadecanoyl-rac-glycerol; 2,3-Dihydroxypropyl stearate; FEMA No. 2527; Stearic acid alpha-monoglyceride; NSC3875; Glycerol stearate, pure; MONOSTEARIN (L); Stearic acid, monoester with glycerol; Glycerol .alpha.-monostearate; MG(18:0/0:0/0:0)[rac]; 1-MONOSTEAROYL-rac-GLYCEROL; Stearic acid .alpha.-monoglyceride; (1)-2,3-Dihydroxypropyl stearate; 11099-07-3; gliseril monostearat; gliseril stearat; gliseril staarate; gliserin stearat; gliserin stearin; Cerasynt 945; Glyceryl Stearate (and) Laureth-23; Cerasynt IP; Glycol Stearate (and) Stearamide AMP; Cerasynt M; Glycol Stearate; Cerasynt PA; Propylene Glycol Stearate; Cerasynt Q; Glyceryl Stearate SE; Cerasynt SD; Glyceryl Stearate; Emulsynt 1055; Polyglyceryl-4 Oleate (and) PEG-8 Propylene Glycol Cocoate; Glyceryl monostearate; Monostearin; GLYCEROL MONOSTEARATE; 123-94-4; CERASYNT SD; Glyceryl stearate; 1-Stearoyl-rac-glycerol; Tegin; 1-MONOSTEARIN; Stearin, 1-mono-; Octadecanoic acid, 2,3-dihydroxypropyl ester; 1-Monostearoylglycerol; Sandin EU; Glycerin 1-monostearate; Glycerol 1-monostearate; Aldo MSD; Aldo MSLG; Stearic acid 1-monoglyceride; 1-Glyceryl stearate; Glycerin 1-stearate; Glycerol 1-stearate; Stearoylglycerol; Arlacel 165; Tegin 55G; alpha-Monostearin; Emerest 2407; Aldo 33; Aldo 75; Glyceryl 1-monostearate; 2,3-dihydroxypropyl octadecanoate; 3-Stearoyloxy-1,2-propanediol; Glycerol alpha-monostearate; .alpha.-Monostearin; Monoglyceryl stearate; Tegin 515; Monostearate (glyceride); Glyceryl monooctadecanoate; 1-octadecanoyl-rac-glycerol; NSC 3875; 2,3-Dihydroxypropyl stearate; FEMA No. 2527; Stearic acid alpha-monoglyceride; 1-MONOSTEAROYL-rac-GLYCEROL; Glycerol stearate, pure; MONOSTEARIN (L); rac-1-monostearoylglycerol; 22610-63-5; Stearic acid, monoester with glycerol; Glycerol .alpha.-monostearate; MG(18:0/0:0/0:0)[rac]; Stearic acid .alpha.-monoglyceride; (1)-2,3-Dihydroxypropyl stearate; Stearin, mono-; CAS-123-94-4; Abracol S.L.G.; TEGIN 90; Glyceryl monostearate [JAN:NF]; Tegin (Related); 1,2,3-Propanetriol, homopolymer, isooctadecanoate; 1,2,3-Propanetriol, homopolymer, monooctadecanoate; Eastman 600; 1-O-stearoylglycerol; Glyceryl monostearate; 1-octadecanoylglycerol; Monostearin (Related); Glycerol Mono Stearate; rac-octadecanoylglycerol; Triglyceryl monostearate; 1-Monostearate-glycerol; Polyglyceryl-3 stearate; glycerol 1-octadecanoate; Glyceryl 1-octadecanoate; rac-glyceryl monostearate; Tegin 515 (Related); Glycerol .alpha.-sterate; (+-)-1-stearoylglycerol; Glyceryl monopalmitostearate; EC 250-705-4; GLYCERYL-1-STEARATE; (+-)-glyceryl monostearate; Geleol mono and diglycerides; Glyceryl stearate (Related); Glycerol monostearate (GMS); (+-)-1-monostearoylglycerol; (+-)-1-octadecanoylglycerol; 37349-34-1; 83138-62-9; Stearin, 1-mono- (8CI); Glyceryl monostearate (Related); 2,3-Dihydroxypropyl stearate #; DTXSID7029160; CHEBI:75557; CERASYNT SD; Glyceryl monostearate (JP17/NF); (R)-2,3-Dihydroxypropyl stearate; 1-Stearoyl-rac-glycerol, >=99%; Glyceryl monostearate 31566-31-1; rac-2,3-dihydroxypropyl octadecanoate; (+-)-2,3-dihydroxypropyl octadecanoate; Octadecanoic acid,3-dihydroxypropyl ester; 1,2,3-Propanetriol 1-octadecanoyl ester; 85666-92-8; AK175522; Octadecanoic acid, monoester with 3,3'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(1,2-propanediol-; Octadecanoic acid, monoester with tri-1,2,3-propanetriol diether; (+/-)-2,3-Dihydroxypropyl octadecanoate; 1-Glyceryl stearate; 1-Monooctadecanoylglycerol; 1-Monostearin

Cerasynt SD

Cerasynt SD is composed of primary and auxiliary emulsifiers for a wide variety of personal care formulas. It is supplied as cream flakes.
Cerasynt SD is an emulsifier for a wide variety of personal care applications.

Product: Cerasynt Stearates
Industries: Personal Care
Form: White to off-white flakes
Use level: 0.25 - 3.0%

Features & Benefits
Nonionic auxiliary emulsifier
Emulsion stabilizer
Biodegradable
100% Natural
Vegan suitable

Applications
Ideal for styling creams/lotions, conditioners, body care, facial care, sun care

Related Applications
Personal Care
Cosmetics
Hair Care
Skin Care
Sun Care

Related Benefits
Personal Care
Natural
Vegan Suitable

Related Functions
Personal Care
Emulsifiers

Glyceryl Stearate. Cerasynt SD ester acts as an emulsion stabilizer and non-ionic auxiliary emulsifier. Cerasynt SD ester is suggested for use in creams and lotions, conditioners and styling creams/lotions, body care, face and body washes, facial care, after-sun, self-tanning, and sunscreen applications.
The Cerasynt esters range provides a variety of emulsifiers to meet formulation requirements.

PROPERTIES
Auxiliary emulsifiers.

APPLICATIONS
A wide variety of personal care formulas.
Cerasynt SD is a premium quality nonionic stabilizer and emulsifier. Manufactured using the highest quality raw materials for batch-to-batch reproducibility.

What Is Cerasynt SD?
Cerasynt SD and Cerasynt SD SE are esterification products of glycerin and stearic acid. Cerasynt SD is a white or cream-colored wax-like solid.
Cerasynt SD is a "Self-Emulsifying" form of Cerasynt SD that also contains a small amount of sodium and or potassium stearate.
In cosmetics and personal care products, Cerasynt SD is widely used and can be found in lotions, creams, powders, skin cleansing products, makeup bases and foundations, mascara, eye shadow, eyeliner, hair conditioners and rinses, and suntan and sunscreen products.

Why is Cerasynt SD used in cosmetics and personal care products?
Cerasynt SD acts as a lubricant on the skin's surface, which gives the skin a soft and smooth appearance. It also slows the loss of water from the skin by forming a barrier on the skin's surface. Cerasynt SD, and Cerasynt SD SE help to form emulsions by reducing the surface tension of the substances to be emulsified.

Scientific Facts:
Cerasynt SD (glyceryl monostearate) is made by reacting glycerin with stearic acid, a fatty acid obtained from animal and vegetable fats and oils.
Cerasynt SD (glyceryl monostearate) SE is produced by reacting an excess of stearic acid with glycerin. The excess stearic acid is then reacted with potassium and/or sodium hydroxide yielding a product that contains Cerasynt SD (glyceryl monostearate) as well as potassium stearate and/or sodium stearate.

What Is Cerasynt SD (glyceryl monostearate)
Cerasynt SD (glyceryl monostearate) is esterification products of glycerin and stearic acid. Cerasynt SD (glyceryl monostearate) is a white or cream-colored wax-like solid.
Cerasynt SD (glyceryl monostearate) SE is a "Self-Emulsifying" form of Cerasynt SD (glyceryl monostearate) that also contains a small amount of sodium and or potassium stearate.
In cosmetics and personal care products, Cerasynt SD (glyceryl monostearate) is widely used and can be found in lotions, creams, powders, skin cleansing products, makeup bases and foundations, mascara, eye shadow, eyeliner, hair conditioners and rinses, and suntan and sunscreen products.

Why is it used in cosmetics and personal care products?
Cerasynt SD (glyceryl monostearate) acts as a lubricant on the skin's surface, which gives the skin a soft and smooth appearance. It also slows the loss of water from the skin by forming a barrier on the skin's surface. Cerasynt SD (glyceryl monostearate), and Cerasynt SD (glyceryl monostearate) SE help to form emulsions by reducing the surface tension of the substances to be emulsified.

Cerasynt SD (glyceryl monostearate) is derived from palm kernel, vegetable or soy oil and is also found naturally in the human body. It acts as a lubricant on the skin's surface, which gives the skin a soft and smooth appearance. It easily penetrates the skin and slows the loss of water from the skin by forming a barrier on the skin's surface. It has been shown to protect skin from free-radical damage as well.

Functions of Cerasynt SD (glyceryl monostearate)
Cerasynt SD (glyceryl monostearate) is derived from palm kernel, vegetable or soy oil and is also found naturally in the human body. It acts as a lubricant on the skin's surface, which gives the skin a soft and smooth appearance (Source). It easily penetrates the skin and slows the loss of water from the skin by forming a barrier on the skin's surface. It has been shown to protect skin from free-radical damage as well.

Chemically, Cerasynt SD (glyceryl monostearate) is used to stabilize products, decrease water evaporation, make products freeze-resistant, and keep them from forming surface crusts.

Description: Cerasynt SD (glyceryl monostearate) SE (self-emulsifying as it contains a small amount 3-6% of potassium stearate) is the monoester of glycerin and stearic acid. Vegetable origin. It is an emulsifier with a HLB value of 5.8 and thus useful for making water-in-oil emulsions. It can also be used as a co-emulsifier and thickener for oil- in-water formulations. Off-white flakes, bland odor. Soluble in oil.
CAS: 123-94-4
INCI Name: Cerasynt SD (glyceryl monostearate)
Properties: Emulsifies water and oil phase, acts as stabilizer and thickener in o/w formulations, widely used in a variety of different cosmetic formulations.
Use: Add to oil/emulsifier phase of formulas, melts at 55°C/130°F. Use level: 1-10%. For external use only.
Applications: Moisturizing creams, lotions, ointments, antiperspirant, hair care and sunscreen.

Cerasynt SD (glyceryl monostearate) (GMS) is one of the most commonly used ingredients in personal care formulations. But it's a material that is not well understood by most formulators. GMS (EU) is normally used as a low-HLB thickening agent in lamellar gel (EU) network (LGN)-based oil-in-water emulsions, often combined with fatty alcohols.

Cerasynt SD (glyceryl monostearate), also known as Glyceryl MonoStearate, or GMS, is EcoCert certified.
Cerasynt SD (glyceryl monostearate) is the natural glyceryl ester from stearic acid (glycerin and stearic acid) which offers skin conditioning, moisturization and hydration due to the glycerin component.
Functions as a non-ionic opacifier, thickener, and formulation stabilizer, where it also imparts a softer, smoother, feel to your emulsions.
Cerasynt SD (glyceryl monostearate) is one of the best choices, for thickening and stabilizing, to use in combination with the lactylates, where it also functions as an emollient, and gives the emulsion more smoothness.

SPECIFICATIONS
Off White Flake / Granule
Characteristic Odor
Oil Soluble
Store Tightly Closed, Protected from Heat
24 Month Shelf when Properly Handled, and Stored
GUIDELINES
Add to Oil Phase
2.0 to 5.0%

Cerasynt SD is the end result of reaction between glycerin and stearic acid. We all know what glycerin is and does (generally vegetable based humectant), and stearic acid is a fatty acid compound extracted from a variety of vegetable, animal, and oil sources such as palm kernel and soy. The end result of the reaction with glycerin and stearic acid is a cream-colored, waxy like substance.

Details
A super common, waxy, white, solid stuff that helps water and oil to mix together, gives body to creams and leaves the skin feeling soft and smooth.
Chemically speaking, it is the attachment of a glycerin molecule to the fatty acid called stearic acid. It can be produced from most vegetable oils (in oils three fatty acid molecules are attached to glycerin instead of just one like here) in a pretty simple, "green" process that is similar to soap making. It's readily biodegradable.

NAMELY
Glycerol stearate is used as a non-ionic emulsifier or emollient in cosmetic products. It is widely used in moisturizers and is also found in hair care products for its antistatic properties. It can be derived from palm, olive or rapeseed oil... It is authorized in bio.
Its functions (INCI)
Emollient : Softens and softens the skin
Emulsifying : Promotes the formation of intimate mixtures between immiscible liquids by modifying the interfacial tension (water and oil)
This ingredient is present in 11.81% of cosmetics.
Hand cream (46.51%)
Moisturizing cream box (46.15%)
Anti-aging night face cream (45.88%)
Anti-aging hand cream (43.75%)
Mascara (42.73%)

Cerasynt SD
Cerasynt SD is the natural glyceryl ester of glycerin and stearic acid. It offers excellent hydration and moisturization. It acts as a non-ionic opacifier, thickener, emollient and formulation stabilizer. It is used in skin care and body care applications.
Cerasynt SD is classified as :
Emollient
Emulsifying
CAS Number 31566-31-1
EINECS/ELINCS No: 250-705-4
COSING REF No: 34103
INN Name: glyceryl monostearate
PHARMACEUTICAL EUROPEAN NAME: glyceroli monostearas
Chem/IUPAC Name: Glyceryl MonoStearate

Cerasynt SD
Learn all about Cerasynt SD, including how it's made, and why Puracy uses Cerasynt SD in our products.
Derived from: coconut
Pronunciation: (ˈglis-rəl stē-ə-ˌrāt)
Type: Naturally-derived
Other names: monostearate
What Is Cerasynt SD?
Cerasynt SD, also called glyceryl monostearate, is a white or pale yellow waxy substance derived from palm kernel, olives, or coconuts.

What Does Cerasynt SD Do in Our products?
Cerasynt SD is an emollient that keeps products blended together; it can also be a surfactant, emulsifier, and thickener in food — often it’s used as a dough conditioner and to keep things from going stale.[1] In our products, however, Cerasynt SD is used for its most common purpose — to bind moisture to the skin. For this reason, it is a common ingredient in thousands of cosmetic products, including lotions, makeup, skin cleansers, and other items.

Why Puracy Uses Cerasynt SD (glyceryl monostearate)
We use Cerasynt SD (glyceryl monostearate) in several of our products as a moisturizer; it also forms a barrier on the skin and prevents products from feeling greasy. As an emulsifier, it also allows products to stay blended.[5] Several studies and clinical tests find that Cerasynt SD (glyceryl monostearate) causes little or no skin or eye irritation and is not a danger in formulations that might be inhaled.[6,7,8] In addition, a number of clinical trials have found that Cerasynt SD (glyceryl monostearate) in moisturizers can lessen symptoms and signs of atopic dermatitis, including pruritus, erythema, fissuring, and lichenification.[9] In 1982 and again in 2015, the Cosmetic Ingredient Review deemed the ingredient safe for use in cosmetics.[10] Whole Foods has deemed the ingredient acceptable in its body care quality standards.[11]

How Cerasynt SD (glyceryl monostearate) Is Made
Cerasynt SD (glyceryl monostearate) is formed through a reaction of glycerin with stearic acid, which is a fatty acid that comes from animal and vegetable fats and oils. Cerasynt SD (glyceryl monostearate) SE, the self-emulsifying form of the substance, is made by reacting an excess of stearic acid with glycerin. The excess stearic acid is then reacted with potassium and/or sodium hydroxide. That produces a substance that contains Cerasynt SD (glyceryl monostearate), potassium stearate, and/or sodium stearate
Cerasynt SD (glyceryl monostearate) (GMS) is one of the most commonly used ingredients in personal care formulations. But it’s a material that is not well understood by most formulators. GMS (EU) is normally used as a low-HLB thickening agent in lamellar gel (EU) network (LGN)-based oil-in-water emulsions, often combined with fatty alcohols.

LGN-based emulsions containing thickening polymers are the most common type of oil-in-water formulations sold globally. Most GMS used in personal care products should actually be called glyceryl distearate (EU), since many common grades only contain around 40% alpha monostearate (EU), 5% glyceryl tristearate (EU), and 50% glyceryl distearate.
There are also grades commercially available that contain 30%, 60%, and 90% GMS. The 90% alpha mono grades can only be produced by molecular distillation and are widely used in the food industry.

Cerasynt SD (glyceryl monostearate), commonly known as GMS, is a monoglyceride commonly used as an emulsifier in foods.[3] It takes the form of a white, odorless, and sweet-tasting flaky powder that is hygroscopic. Chemically it is the glycerol ester of stearic acid.

Structure, synthesis, and occurrence
Cerasynt SD (glyceryl monostearate) exists as three stereoisomers, the enantiomeric pair of 1-Cerasynt SD (glyceryl monostearate) and 2-Cerasynt SD (glyceryl monostearate). Typically these are encountered as a mixture as many of their properties are similar.
Commercial material used in foods is produced industrially by a glycerolysis reaction between triglycerides (from either vegetable or animal fats) and glycerol.
Cerasynt SD (glyceryl monostearate) occurs naturally in the body as a product of the breakdown of fats by pancreatic lipase. It is present at very low levels in certain seed oils.

Uses
Cerasynt SD (glyceryl monostearate) is a food additive used as a thickening, emulsifying, anticaking, and preservative agent; an emulsifying agent for oils, waxes, and solvents; a protective coating for hygroscopic powders; a solidifier and control release agent in pharmaceuticals; and a resin lubricant. It is also used in cosmetics and hair-care products.[5]
Cerasynt SD (glyceryl monostearate) is largely used in baking preparations to add "body" to the food. It is somewhat responsible for giving ice cream and whipped cream their smooth texture. It is sometimes used as an antistaling agent in bread.

What Is It?
Cerasynt SD (glyceryl monostearate) and Glyceryl Stearate SE are esterification products of glycerin and stearic acid. Cerasynt SD (glyceryl monostearate) is a white or cream-colored wax-like solid.
Cerasynt SD (glyceryl monostearate) SE is a "Self-Emulsifying" form of Cerasynt SD (glyceryl monostearate) that also contains a small amount of sodium and or potassium stearate.

In cosmetics and personal care products, Cerasynt SD (glyceryl monostearate) is widely used and can be found in lotions, creams, powders, skin cleansing products, makeup bases and foundations, mascara, eye shadow, eyeliner, hair conditioners and rinses, and suntan and sunscreen products.

Scientific Facts:
Cerasynt SD (glyceryl monostearate) is made by reacting glycerin with stearic acid, a fatty acid obtained from animal and vegetable fats and oils.
Glyceryl Stearate SE is produced by reacting an excess of stearic acid with glycerin. The excess stearic acid is then reacted with potassium and/or sodium hydroxide yielding a product that contains Cerasynt SD (glyceryl monostearate) as well as potassium stearate and/or sodium stearate.

Cerasynt SD (glyceryl monostearate) is the natural glyceryl ester of glycerin and stearic acid. It offers excellent hydration and moisturization. It acts as a non-ionic opacifier, thickener, emollient and formulation stabilizer. It is used in skin care and body care applications.

Cerasynt SD (glyceryl monostearate) is classified as :
Emollient
Emulsifying

Learn all about Cerasynt SD (glyceryl monostearate), including how it's made, and why Puracy uses Cerasynt SD (glyceryl monostearate) in our products.
Derived from: coconut
Pronunciation: (ˈglis-rəl stē-ə-ˌrāt)
Type: Naturally-derived
Other names: monostearate
What Is Cerasynt SD (glyceryl monostearate)?
Cerasynt SD (glyceryl monostearate), also called glyceryl monostearate, is a white or pale yellow waxy substance derived from palm kernel, olives, or coconuts.

What Does Cerasynt SD (glyceryl monostearate) Do in Our products?
Cerasynt SD (glyceryl monostearate) is an emollient that keeps products blended together; it can also be a surfactant, emulsifier, and thickener in food — often it’s used as a dough conditioner and to keep things from going stale.[1] In our products, however, Cerasynt SD (glyceryl monostearate) is used for its most common purpose — to bind moisture to the skin. For this reason, it is a common ingredient in thousands of cosmetic products, including lotions, makeup, skin cleansers, and other items.[2,3]

Glyceryl stearate (Cerasynt SD) is one of the most commonly used ingredients in personal care formulations. But it’s a material that is not well understood by most formulators. Cerasynt SD (EU) is normally used as a low-HLB thickening agent in lamellar gel (EU) network (LGN)-based oil-in-water emulsions, often combined with fatty alcohols.

LGN-based emulsions containing thickening polymers are the most common type of oil-in-water formulations sold globally. Most Cerasynt SD used in personal care products should actually be called glyceryl distearate (EU), since many common grades only contain around 40% alpha monostearate (EU), 5% glyceryl tristearate (EU), and 50% glyceryl distearate.

There are also grades commercially available that contain 30%, 60%, and 90% Cerasynt SD. The 90% alpha mono grades can only be produced by molecular distillation and are widely used in the food industry.

Functionally, there is a big difference in performance if you use a 90% versus 40% mono. A 90% mono has a higher melting point (69°C versus 58-63°C), lighter skin feel, and a higher HLB (EU) (~4-5, versus ~3). The higher HLB of the 90% mono enables you to form LGNs much easier with lower emulsifier levels and energy than when using cetyl (EU)/stearyl alcohol (EU). There are also self-emulsifying (SE) grades of Cerasynt SD available, which are typically combined with PEG 100 stearate (EU), potassium stearate (EU), or sodium lauryl sulfate (EU).

Cerasynt SD
Cerasynt SD is created by the esterification of glycerin and stearic acid. Cerasynt SD creates an excellent emulsion and when used in combination with other emulsifiers, creates a stable lotion.
Characteristics
An interesting characteristic of Cerasynt SD is the ability to make the oils which are combined in the emulsion non greasy, so for example Sunflower can be combined, without adding greasiness to the final product, allowing creams and lotions to be produced which carry the properties of the oil without the greasiness.
Cerasynt SD can be used to pearlise shower gel, shampoo and hand wash if added in combination with glycerine.

How to use
Heat the Cerasynt SD to 60c - 70c within the oil stage of your formulations. Ensure the Cerasynt SD is fully dissolved into your oil stage (use agitation if required) in order to minimise the risk of graininess in your final formulation.

Precautions
At pure usage levels it can cause irritation to the skin.

When blending always take the following precautions:
Use gloves (disposable are ideal)
Take care when handling hot oils
Wear eye protection
Work in a well ventilated room
Keep ingredients and hot oils away from children
If ingested, seek immediate medical advice
If contact made with eyes, rinse immediately with clean warm water and seek medical advice if in any doubt.
Safety First
In addition to our precautions and general safety information, we always recommend keeping a first aid kit nearby. You are working with hot water and oils, accidents can happen, so always be prepared!

Is Cerasynt SD Safe?
Toxicity
The safety of Cerasynt SD has been called into question in recent years. The questioning of the safety of this ingredient is due to toxicity concerns that result from impurities found in Cerasynt SD. The impurities of concern are ethylene oxide and 1,4 dioxane, both are by-products of the manufacturing process. Both 1,4 dioxane and ethylene oxide have been suggested to be linked with breast and uterine cancers. While these impurities may have been a concern previously, ingredient manufacturers and improved processes have eliminated the risk of impurities in the final product. The level of impurities that were found initially in Cerasynt SD manufacturing was low in comparison to the levels proposed to be linked to cancers. Longitudinal studies or studies over a long period of use of Cerasynt SD have not found any significant toxicity or any significant impact on reproductive health. When applied topically, Cerasynt SD is not believed to pose significant dangers to human health. It doesn’t penetrate deeply into the skin and isn’t thought to have bioaccumulation concerns when used topically.

Irritation
Through research, Cerasynt SD have exhibited evidence that they are non-irritating ingredients to the eyes or the skin. This research used highly concentrated forms of the ingredient, concentrations that would not be found in your skincare products. The Cosmetic Ingredient Review Expert Panel found Cerasynt SD to be non-photosensitizing and non-irritating at concentrations up to 100%. However, despite the evidence suggesting that Cerasynt SD are non-irritating, some research has indicated that irritation can occur when the skin is broken or already irritated. In a study that was trialing the use of Cerasynt SD containing antimicrobial cream on burn patients, some patients experienced kidney toxicity. The concentration of Cerasynt SD was identified to be the culprit. Given that there was no evidence of toxicity in any study of PEGs and intact skin, the Cosmetic Ingredient Review Expert Panel amended their safety guidelines to exclude the use of Cerasynt SD containing products on broken or damaged skin.

Is Cerasynt SD Vegan?
Depending on the source of the stearic acid used to make Cerasynt SD, it may be vegan. Most of the time, stearic acid is derived from plants. However, it can also be derived from animal origin. If it is of animal origin, the product has to comply with animal by-product regulation. Check with the brand you are thinking of using to determine whether their Cerasynt SD is derived from a plant or animal source.

Why Is Cerasynt SD Used?
Emulsifier
Cerasynt SD is included in skincare and beauty products for a variety of reasons, ranging from making the skin softer to helping product formulations better keep their original consistency.
As an emollient, Cerasynt SD is included within skincare product formulations to give the skin a softer feel. It achieves this through strengthening the skin’s moisture barrier by forming a thin fatty layer on the skin’s surface, which prevents moisture loss and increases overall hydration. This moisturizing effect increases the hydration of skin cells, which in turn makes the skin softer and boosts skin health.

Texture
Another use for Cerasynt SD has to do with its emulsification properties. Emulsifiers are valued in the skincare and personal care industries because of their ability to mix water and oils. Without this ability, the oils in many formulations would begin to separate from the water molecules, thus undermining product texture and consistency. Cerasynt SD is also used to help to cleanse through mixing oil and dirt so that it can be rinsed away.

Surfactant
Lastly, Cerasynt SD can also act as a surfactant, when used in body and facial cleansers. Surfactants disrupt surface tension, helping to mix water and oil. This characteristic helps the ingredient cleanse the skin by mixing oil with water, lifting dirt trapped inside the skin’s oils, and rinsing it away from the skin.

What Types of Products Contain Cerasynt SD?
There are many products in the skin and personal care industry that are formulated with Cerasynt SD because of its benefits to formulations and its relative safety. Facial cleansers, shampoos, lotions, and face creams have all been known to contain this ingredient. If you’ve had problems with this ingredient before, or if your doctor has advised you to stay away from Cerasynt SD, it’s vital to read ingredient labels for any personal care product as it has many applications.

What are Cerasynt SDs?
You have probably noticed that many of cosmetics and personal care products you use have different types of Cerasynt SD among ingredients. PEG, which is the abbreviation of polyethylene glycol, is not a definitive chemical entity in itself, but rather a mixture of compounds, of polymers that have been bonded together. Typically, cosmetics use Cerasynt SDs with smaller molecular weights. The lower the molecular weight, the easier it is for the compound to penetrate the skin. Often, Cerasynt SDs are connected to another molecule. You might see, for example, Cerasynt SD as an ingredient. This means that the polyethylene glycol polymer with an approximate molecular weight of 100 is attached chemically to stearic acid.
In cosmetics, Cerasynt SDs function in three ways: as emollients (which help soften and lubricate the skin), as emulsifiers (which help water-based and oil-based ingredients mix properly), and as vehicles that help deliver other ingredients deeper into the skin.

What effect do Cerasynt SD have on your skin?
Polyethylene glycol compounds have not received a lot of attention from consumer groups but they should. The most important thing to know about Cerasynt SDs is that they have a penetration enhancing effect, the magnitude of which is dependent upon a variety of variables. These include: both the structure and molecular weight of the Cerasynt SD, other chemical constituents in the formula, and, most importantly, the overall health of the skin.

Impurities and other Cerasynt SD (glyceryl monostearate) risks
According to a report in the International Journal of Toxicology by the cosmetic industry’s own Cosmetic Ingredient Review (CIR) committee, impurities found in various Cerasynt SD include ethylene oxide; 1,4-dioxane; polycyclic aromatic compounds; and heavy metals such as lead, iron, cobalt, nickel, cadmium, and arsenic. Many of these impurities are linked to cancer.

If you find Cerasynt SD (glyceryl monostearate) in your cosmetics…
Although you might find conflicting information online regarding Polyethylene Glycol, Cerasynt SDs family and their chemical relatives, it is something to pay attention to when choosing cosmetic and personal care products.

Glyceryl stearate and Cerasynt SD is a combination of two emulsifying ingredients. The stabilising effect of both means that the product remains blended and will not separate.
Description of Cerasynt SD
Glyceryl stearate is a solid and waxy compound. It is made by reacting glycerine (a soap by-product) with stearic acid (a naturally occurring, vegetable fatty acid). Cerasynt SD is an off-white, solid ester of polyethylene glycol (a binder and a softener) and stearic acid.