What It Is:A highly effective skin-brightening serum developed by Dr. Yannis Alexandrides that doubles down to target stubborn dark spots and dull-looking skin. Skin is visibly brighter and tone is more even after just one use.Inspired by in-clinic treatments at 111 Harley Street, the Dark Spot Correcting Serum is 111Skin's most advanced correcting treatment to date, delivering potent solutions without the harshness and downtime of lasers. Formulated with powerful actives, this serum breaks down existing pigmentation and prevents the production of new melanin.The triple action approach treats, targets and prevents stubborn hyperpigmentation and spots from resurfacing. Formulated for even the most sensitive of skin, the Dark Spot Correcting Serum can be used morning and night to get rid of current hyperpigmentation issues and regulate the over-production of melanin. Tranexamic acid and niacinamide work to improve the skin barrier and target uneven texture, tone and redness.Skin Type:For all skin types.SKIN Concern:Hyperpigmentation, discoloration, dullness, uneven tone and texture, dark spots, elasticity, skin damage.What It Does:- Reduces stubborn dark spots and hyperpigmentation.- Prevents future melanin production.- Brightens skin and evens tone.How To Use It:- Apply 1-2 pumps daily in Am/Pm after cleansing.- Follow with Repair Serum Nac Y2 (sold separately).- Not suitable for use with Black Diamond Retinol Oil (sold separately). Alternate nights when using.- For Am use, combine with Black Diamond Vitamin-c Brightening Booster Serum (sold separately) for added brightening benefits.- Depending on severity of hyperpigmentation, can use daily or a few times a week as a treatment product.- May also be used to correct visible discoloration on hands, chest and other areas of concern.