Bioderma White Objective Lightening Pen is indicated for the elimination of melanic localized spots.This product acts on all stages of melanin production thanks to the WO Patent which is based on andrographolide, glabridin, melanostatin and lysine azelate to inhibit melanin production and help prevent indirect melanin synthesis. The glycolic acid at 6% promotes a faster elimination of the spots by increasing cellular turnover and helping remove dead cells and sun protection factor of UVA-14 and UVB-19 to prevent further pigmentation.