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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Glycerin — A humectant that keeps the formula hydrating and comfortable for daily use
marks and discoloration gradually look less noticeable
Our 20% L-ascorbic acid paired with niacinamide (vitamin B3) — a duo aimed squarely at the look of dark spots
How to compare: Try one bottle for a couple of weeks before switching
C15 CelSignal MAP Serum 3-Pack Glycerin — A humectant thatThree bottles for the price of two. Vitamin C for skin that struggles with L ascorbic acid. Built on 15% magnesium ascorbyl phosphate (MAP) a mild vitamin C that converts in the skin at a comfortable pH 5. 5, with niacinamide and hyaluronic acid. Stock up, keep the extras refrigerated, and never run out of fresh vitamin C. Why fresh matters Traditional L ascorbic acid is powerful, but its low pH and strength can be too much for reactive skin. MAP
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