BUTENEONE NAPHTHALENEDIOL GLUCOSIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

BUTENEONE NAPHTHALENEDIOL GLUCOSIDE

Safety grade: A

A plant-derived ingredient that works to brighten skin and reduce the appearance of dark spots and uneven skin tone. It helps protect skin from environmental damage while promoting a more radiant, even complexion. Commonly used in serums and moisturizers targeting hyperpigmentation and overall skin luminosity.

Graded using: COSING.

Last verified: June 9, 2026