Treats hyper-pigmentation, freckles and sunspots. Lightens skin discoloration caused by pregnancy or oral contraceptives. Active ingredients are Glycolic acid (10%); L-Ascorbic acid (10%); Kojic acid (2%); Hydroquinone (2%); Allantoin. Apply a thin, even layer to the darkened area with a cotton swab (Q-Tip) or fingertips. After 15 minutes, apply Glyco-C Refining Complex. Use once a day. Do not use alcohol-based astringent. Do not use for more than 4 months; wait 30 days before continuing use. 1 ounce.