What is it?
Methylene bis-benzotriazolyl tetramethylbutylphenol is an ultraviolet absorbing agent present in sunscreens and personal care products.

How can I avoid it?
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.

Uses:
Skin care products/Cosmetics
  • After shave
  • Face cream
  • Hand cream
  • Lip care
  • Lipsticks
  • Liquid makeup foundation
  • Sunscreen
Other names for methylene bis-benzotriazolyl tetramethylbutylphenol:
• Tinosorb M
• Bisoctrizole

How safe is it?

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