L- Gluthathione Concentre Super Fort Strong Eclaircissant Whitening Oil. This serum is a repairer that corrects black spots, stretch marks, less redness all the imperfections of the skin and the complexion. The complexion lightens quickly and gently whitens skin tone while blocking the epidermis biosynthesis of pigmentation. Delays the skin aging process intensively moisturizes the skin. Effectively lighten dark spots, acne spots, freckles, age spots, dark areas such as knuckles, knee,feet blemishes and other discolorations.