Ingredient
Isostearyl Isostearate
What is Isostearyl Isostearate?
Isostearyl Isostearate is an ester derived from isostearyl alcohol and isostearic acid. It is commonly synthesized through a reaction that combines these two components under specific conditions.
This ingredient is primarily used in cosmetics, especially makeup, as an emollient and skin-conditioning agent. It is valued for its ability to enhance product texture and provide a smooth, silky feel. The health evidence on Isostearyl Isostearate suggests it is generally well-tolerated and unlikely to cause adverse effects for most users.
When you see Isostearyl Isostearate on a label, it typically indicates improved spreadability and moisture retention in the formulation, contributing to the product's overall sensory experience.
Commonly found in: lipsticks, foundations, face creams, moisturizers, sunscreens
Isostearyl Isostearate is approved for use in cosmetic products without specific restrictions.
Research generally supports its safety and efficacy in cosmetic applications, with minimal reports of irritation or allergic reactions.
Isostearyl Isostearate is typically synthesized from plant-based sources, making it suitable for vegans.
Sources: Final Report on the Safety Assessment of Isostearic Acid and Its Salts and Esters
Scout's take
Isostearyl Isostearate is an ester used as an emollient and thickening agent in cosmetics. It helps to improve the texture and spreadability of the product.
The case against
There are minimal risks associated with this ingredient, though it may cause irritation in very sensitive individuals.
from the analysis of MERIT Signature Lip Lightweight Lipstick BabyThe case for
It provides a smooth application and helps to lock in moisture on the skin.
from the analysis of MERIT Signature Lip Lightweight Lipstick BabyFound in 1 product
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