ZO Skinhealth | Retinol Skin Brightener (.25%, .5%, 1%)AM or PM All Skin Types Brightening A high potency retinol treatment designed to improve skin tone, reduce visible discoloration, and promote a brighter, more even complexion. Available in 0. 25%, 0. 5%, and 1% strengths, Retinol Skin Brightener helps improve skin texture, support healthy cell turnover, and visibly reduce the appearance of sun damage, post inflammatory pigmentation, and uneven skin tone. Best For: Hyperpigmentation Sun damage Uneven