Gluta-C Insta-White All in One Serum is a complexion-clarifying serum designed to lighten dark spots, blemishes, and acne scars while restoring a clear, radiant, and even skin tone. It contains key ingredients like Glutathione, Alpha Arbutin, Vitamin C, and SPF 15 to reduce melanin production, moisturize the skin, and provide antioxidant protection.