Isoamyl laureate is also used in perfumes, where it acts as a fixative. It slows down the evaporation rate of the perfume’s volatile components, thereby extending its olfactory notes.
Furthermore, isoamyl laurate can also be used in the formulation of various hair care products such as shampoos, conditioners, and styling products, as a hair conditioner. It is particularly used to facilitate detangling and help hair stay smooth, while giving it shine. It also has the ability to dissolve UV filters (solvent), particularly liposoluble UV filters, in sun care products or to evenly disperse pigments in tinted skincare products.
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The isoamyl laurate is also appreciated in terms of solubility and compatibility with many other ingredients. Indeed, it exhibits good miscibility with other cosmetic actives.
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How is isoamyl laurate produced?
Whether synthetic or natural, isoamyl laurate is produced by reacting isoamyl alcohol with lauric acid through the classic method of esterification. Naturally, it is synthesized from plant sources, notably coconut, palm, and sugar beet, which contain a large amount of lauric acid, a natural fatty acid. Therefore, isoamyl laurate is obtained by reacting lauric acid from natural sources and isoamyl alcohol produced by the fermentation of ethanol.
The isoamyl laurate used in our tinted serum is of natural origin, derived from cane sugar and palm oil.
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Potential dangers of cosmetic use of isoamyl laurate?
To date, no study has demonstrated that isoamyl laurate poses a particular health risk to consumers. Indeed, it has not been associated with adverse effects, either short or long term, and is rather considered as safe and non-irritating. Therefore, it is unlikely that isoamyl laurate poses a risk to pregnant and breastfeeding women, as well as infants when it is used for normal cosmetic purposes.
Furthermore, according to the 2015 assessment by the Cosmetic Ingredient Review (CIR) expert group on the safety of alkyl esters, isoamyl laurate was deemed safe in current cosmetic usage and concentration practices (up to 2%). Although it is safe, it is still appropriate to take precautions and perform a skin test on a small area of the body (behind the ear, inner wrist, elbow crease) before more extensive use to check if it does not cause potential risks of allergy or irritation.
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