ZO Skin Health Retinol Skin Brightener 0.5% is a potent retinol cream formulated to improve skin clarity, texture, and tone.This advanced formula contains a high concentration of retinol (0.5%) combined with other active ingredients to help reduce the appearance of fine lines and wrinkles, diminish dark spots and hyperpigmentation, and promote a more even skin tone. It also helps to support the skin's natural renewal process for a brighter, more youthful-looking complexion. This product is designed for users who have already acclimated to lower strengths of retinol. NEW Unused