What It Is: A discoloration treatment with SPF and 0.5% Melasyl works to harmonize the look of skin's natural tone by visibly reducing dark spots, dark patches, and post-blemish marks. This all-over formula with broad spectrum SPF 30 helps to protect against UV damage while leaving skin with a radiant, healthy-looking appearance. What It's Good For: Visibly reduces discoloration, sunspots, and rough texture Helps protect skin from environmental aggressors including UVA/UVB rays, which can cause visible discoloration Lightweight formula absorbs quickly and looks invisible on skin Leaves skin with a radiant finish and works well as a makeup primer Suitable for all skin types, including sensitive skin Kiehl's discoloration treatment is clinically tested on multiple skin tones, with demonstrated improvement in the appearance of*: Post-Blemish Marks Dark Spots Dark Patches Uneven Tone Key Ingredients: 0.5% Melasyl: Melasyl works to help correct the appearance of visible excess melanin without shifting skin's natural tone. Invisible SPF 30: Invisible SPF 30 works to help defend against skin-damaging UV rays known to cause and worsen discoloration, when used as directed with other sun protection measures. How to Use: Apply Kiehl's discoloration treatment with UV protection at the end of your daily skincare routine, avoiding the immediate eye area In case of contact with eyes, rinse immediately and thoroughly May be used alone or under makeup Can be used in the morning *Based on expert grading in an 8-week clinical study. Average improvement in skin tone evenness, dark spots & dark patches after 8 weeks of use.