Contact dermatitis caused by ascorbyl tetraisopalmitate in a cream used for the management of atopic dermatitis.

Conflict of interest: The authors declare no conflict of interests. Financial disclosure: None. Ascorbic acid and its derivatives are usually used as antioxidants. They are present in ‘anti-aging’ cosmetics to stimulate production of skin fibroblast procollagen and for the antioxidant properties. There are few case reports of contact dermatitis caused by vitamin C derivatives in cosmetic creams. We report here a case of severe contact dermatitis caused by ascorbyl tetraisopalmitate, an ester-modified ascorbic acid agent,