Vitamin C-Ester: Basic Vitamin C joined with a fatty acid derived from palm oil. It is fat-soluble which means it can be easily absorbed into the skin. Vitamin C-Ester offers maximum protection against "free radicals", unstable oxygen molecules that can wreak havoc in our body. Vitamin C-Ester's stability also allows it to be mixed in creams and lotions and remain potent for months. As an anti - oxidant Vitamin C-Ester helps us in our struggle to prevent wrinkles and sagging skin. It also repairs collagen and can be used as treatment for sunburn, inflamed or irritated skin.