Ascorbylisostearate is an oil Misoluble antioxidants. Ascorbylisostearate is very color stable and easily miscible with most of the cosmetic emollients. No heating, as for ascorbylpalmitate, is needed.
In cosmetic products it accelerates the synthesis of collagen and is therefore an excellent additive for antiaging products.
It is useful for skin whitening products, it inhibits the generation of Melanin of the skin. By enzymatic reaction it splits in the skin to Vitamin C and blocks the oxidizing step of the melanin generation.