What is C12-15 Alkyl Benzoate?
C12-15 Alkyl Benzoate, also known as Benzoic acid, C12-15 alkyl esters, is a synthetic ingredient used in a wide range of cosmetic and personal care products. It is an ester of benzoic acid and a mixture of long-chain (C12-15) alcohols. This ingredient is primarily derived from benzoic acid, which is found in many plants and serves as an intermediate in the biosynthesis of many secondary metabolites. The alcohols used in the creation of this ingredient are typically synthetic, although they can also be derived from natural sources.
The use of C12-15 Alkyl Benzoate in cosmetics dates back several decades. It was initially recognized for its antimicrobial properties, which made it an effective preservative in many products. Over time, its emollient and skin conditioning properties were also recognized, leading to its widespread use in a variety of cosmetic formulations.
The process of making C12-15 Alkyl Benzoate involves the reaction of benzoic acid with the appropriate alcohols in the presence of a catalyst. This results in the formation of the ester, which is then purified and prepared for use in cosmetic products.
While there are other ingredients that share similar functions, such as Cetyl Alcohol and Stearyl Alcohol, C12-15 Alkyl Benzoate is unique in its versatility. Unlike these other alcohols, which are primarily used as emollients, C12-15 Alkyl Benzoate also functions as an antimicrobial agent and a skin conditioner. This multifunctionality makes it a valuable ingredient in a wide range of cosmetic products.
C12-15 Alkyl Benzoate is typically used in products that require a smooth, light, and non-greasy feel. This includes moisturizers, sunscreens, makeup products, hair care products, and anti-aging serums. Its ability to enhance the texture and spreadability of these products, while also providing antimicrobial protection and skin conditioning benefits, makes it a popular choice among cosmetic formulators.
Benefits and Uses
In this section, we will delve into the officially recognized benefits and uses of C12-15 Alkyl Benzoate:
Antimicrobial Properties
C12-15 Alkyl Benzoate has antimicrobial properties, which means it can help to prevent the growth of harmful microorganisms in your cosmetic products. This is particularly beneficial in products that are water-based, as these can often be a breeding ground for bacteria and fungi. By inhibiting the growth of these microorganisms, C12-15 Alkyl Benzoate can help to extend the shelf-life of your cosmetics and keep them safe to use.
Skin Conditioning
As a skin conditioning agent, C12-15 Alkyl Benzoate can help to make your skin feel softer and smoother. It works by forming a layer on the surface of the skin, which helps to reduce moisture loss and keep your skin hydrated. This can result in a noticeable improvement in skin texture and appearance, making your skin look healthier and more radiant.
Emollient
C12-15 Alkyl Benzoate also functions as an emollient. Emollients are ingredients that help to soften and smooth the skin. They work by filling in the spaces between skin cells, creating a smooth, soft surface. This can help to improve the appearance of dry or flaky skin, and can also make your skin feel more comfortable and less tight.
Please note that these benefits are based on the officially recognized and defined functions of C12-15 Alkyl Benzoate. There may be other benefits and uses of this ingredient that go beyond the scope of these official functions.
Safety Profile
C12-15 Alkyl Benzoate is not a banned or regulated ingredient in cosmetics. It is generally considered safe for use in cosmetic products. However, as with any ingredient, individual reactions can vary.
While it is known for its antimicrobial, skin conditioning, and emollient properties, it is also important to be aware of its allergenic potential. Some individuals may experience an allergic reaction to this ingredient, although this is relatively rare.
Potential side effects of topical application of C12-15 Alkyl Benzoate may include:
- Redness
- Itching
- Swelling
- Rash
A note for women who are pregnant and/or breastfeeding – There is currently insufficient data to determine whether C12-15 Alkyl Benzoate is safe for use during pregnancy or while breastfeeding. As such, it is recommended that you consult a healthcare professional for further advice.
Adverse reactions to C12-15 Alkyl Benzoate are not common, but as with any skincare product, it is recommended to perform a patch test before widespread use to ensure you do not have an adverse reaction.
This ingredient analysis has been commissioned by Truth In Skincare (TiS), an independent industry regulator. The analysis was conducted by a TiS-appointed industry consultant, using sources including the CosIng (Cosmetic Ingredient Database – by the European Commission), the Personal Care Products Council (PCPC), The US Food & Drug Administration (FDA), as well as other various publicly available sources.
