Ingredient · Updated
Isostearyl Isostearate
Found in 1 product
What is Isostearyl Isostearate?
Isostearyl Isostearate is a synthetic ester that combines isostearyl alcohol and isostearic acid. It is usually manufactured through a chemical reaction that modifies natural fats to create a stable and spreadable compound.
In cosmetics, Isostearyl Isostearate is valued for its emollient properties, helping to soften and smooth the skin's surface. It also enhances product texture and can improve the spreading quality of cosmetic formulations. While some studies suggest it is well-tolerated, there is limited comprehensive research on its long-term effects.
When you see Isostearyl Isostearate on a label, it's often in makeup or skincare products aimed at improving texture or providing a moisturizing effect.
Commonly found in: Makeup, Skincare, Lip Balms, Lotions, Creams
Benefits
- Acts as an emollient, helping to soften and hydrate the skin.
- Improves texture and spreadability of cosmetic formulations.
Isostearyl Isostearate is allowed for use in cosmetics and personal care products in the US, with no specific restrictions.
Research is limited, but the ingredient is generally considered safe based on current evidence.
Isostearyl Isostearate is typically vegan as it is synthesized from non-animal sources.
Sources: Safety Assessment of Isostearic Acid and Its Salts as Used in Cosmetics
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 BabyAll 1 product with Isostearyl Isostearate
Where Isostearyl Isostearate shows up
- Makeup 1 product
Scan any product to see every ingredient explained — and healthier swaps.
