DIPHENYL NAPHTHOPYRAN
OKother
A photochromic ingredient that changes color with UV exposure, used in lenses.
Regulatory Info
Status: Approved
Restrictions: 2,2-Diphenyl-5,6-benzo(2H)chromene, 3H-Naphtho[2,1-b]pyran, 3,3-diphenyl-
A photochromic ingredient that changes color with UV exposure, used in lenses.