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

HYDRANGENOL

Safety grade: A

Derived from hydrangea plants, this ingredient works to brighten and even out skin tone while providing antioxidant protection. It helps reduce the appearance of dark spots and discoloration, making your complexion look more radiant and uniform. Commonly found in serums and moisturizers, it's gentle enough for regular use.

Graded using: COSING.

Last verified: June 9, 2026