Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (Tinosorb M)

Methylene bis-benzotriazolyl tetramethylbutylphenol is an ultraviolet (UV) absorbing agent present in sunscreens and personal care products.

Skin contact with methylene bis-benzotriazolyl tetramethylbutylphenol is required for it to cause a rash. Discontinuation of exposure to products containing methylene bis-benzotriazolyl tetramethylbutylphenol should result in improvement and/or resolution of your dermatitis. By law, all products made in the U.S. for topical use have the ingredients listed on the product package or box that contains it, so check the labeling of your skin care products for this ingredient. If there is not enough information, ask your retailer or contact the company directly. At work, request a Safety Data Sheet (SDS) to help identify potential sources of exposure.

Skin care products/Cosmetics