Exfoliating Serum: This silky, stealthily effective 10% glycolic and lactic acid serum works overnight and over time to exfoliate, resurface, and moisturize, leaving your skin glowy, smooth, practically poreless, and baby-soft. Dark Spot Remover: The face serum is high-strength to deliver intense resurfacing—targeting skin tone, uneven texture, wrinkles, dullness, spots, and clogged pores. Editors’ Tip: The serum also works brilliantly as a five-minute treatment mask and as a spot treatment for blemishes. How to Use: Smooth one to three pumps of the dark spot serum over your cleansed face, neck, and chest in the evenings. Use four times a week to start, working up to nightly use. Some tingling may occur (glide moisturizer on top if you need it). Consumer Results: After one use, 93% said the serum was moisturizing enough to wear alone.* After two weeks, 97% said their skin felt smoother and softer, and 90% said their skin looked visibly more radiant and luminous.** *Based on an immediate third-party consumer study of 30 women between the ages of 35 and 65. Meet our GOOPGLOW Dark Spot Exfoliating Sleep Milk:This silky, stealthily effective 10% multi-acid milk serum works overnight and over time to exfoliate, resurface, and moisturize, leaving your skin glowy, smooth, practically poreless, and baby-soft.While the serum is high-strength to deliver intense resurfacing—targeting skin tone, uneven texture, wrinkles, dullness, spots, and clogged pores—it’s also remarkably gentle on skin. KEY BENEFITS:Clinically proven to improve the look of dark spots, skin brightness, and skin tone without dryness or irritation.*Clinically proven to significantly improve the appearance of skin brightness.*.Clinically proven to significantly improve the appearance of skin tone.* *Based on an eight-week third-party clinical study of 30 women between the ages of 35 and 65. HOW TO USE:Smooth one to three pumps over your cleansed face, neck, and chest in the evenings. Use facial serums four times a week to start, working up to nightly use. Some tingling may occur (glide moisturizer on top if you need it). Always wear sunscreen in the mornings but especially after using this serum.  EDITORS’ TIP: The exfoliating serum also works brilliantly as a five-minute treatment mask and as a spot treatment.