SkinCeuticals' Brightening Skin System is a four-step regimen that combats the appearance of discoloration and skin tone unevenness. Potent ingredients, such as phloretin, ferulic, kojic acid and retinol, are found in these travel-size formulas to correct stubborn skin care concerns and boost your skin's radiance. SkinCeuticals' Brightening Skin System: Phloretin CF (30 ml): a light, triple antioxidant serum that provides advanced environmental protection and diminishes the appearance of fine lines and skin discoloration. Discoloration Defense (30 ml): a multi-phase serum formulated to reduce the appearance of multiple types of discoloration, including stubborn brown patches. Retinol 0.5 (30 ml): pure, highly concentrated retinol in a stabilized delivery system that visibly improves the appearance of skin discolorations, uneven tone and fine lines and wrinkles. Physical Fusion UV Defense SPF 50 (50 ml): a broad-spectrum sunscreen with a universal tint to enhance natural skin tone and help protect against damaging UVA/UVB rays for brighter, more radiant-looking skin. Key Benefits: Diminishes the appearance of discoloration Promotes even skin tone Boosts skin's radiance Tip: Retinol is photosensitizing—using broad-spectrum sun protection is a must when retinol is part of your skin care regimen. As a precaution, retinol products should not be used by pregnant women, or women who intend to become pregnant in the near future. Though there are no reports of topical retinol having any negative effect on fetal development, some problems have been reported with ingested retinoic acid. Please note: this item is excluded from all sale promotions. It cannot be discounted or used with any promotional code. Due to a manufacturer packaging change, item received may vary from product image.