TRAVEL SIZE TOILETRIES: This product is under 3.4 fl oz, making it easy to take with you on your next vacation or trip. DEFENDS AGAINST 5 SIGNS OF SKIN SENSITIVITY: Dryness, Irritation, Roughness, Tightness, Weakened Skin Barrier. HYPOALLERGENIC, WON'T CLOG PORES: This fragrance free, oil free face serum is gentle, yet effective on sensitive skin. Great for use day or night. SENSITIVE SKIN FRIENDLY VITAMIN C DERIVATIVE: improves radiance by defending against surface-free radicals to diminish the appearance of age and sun related dark spots and brown spots without irritation. GentleBright COMPLEX: Powered by 2% niacinamide (vitamin B3) and nourishing antioxidants to reduce the appearance of dark spots, brown spots, age spots, hyperpigmentation, and post acne marks to even skin tone for a brighter, more radiant complexion. CETAPHIL HEALTHY RADIANCE ANTIOXIDANT-C SERUM: Concentrated vitamin C antioxidant protection defends against dark spots and hyperpigmentation.