Potent 10% Pure Vitamin C anti-aging face serum is dermatologist validated for stability and efficacy with the optimal concentration of Vitamin C - it visibly boosts skin's youthful radiance in 1 weekThe cream formula quickly absorbs to even skin tone, reduce wrinkles, and give your skin a matte look - perfect to use before your face cream moisturizer and make upFace serums are highly concentrated, use potent ingredients, and are light weight for optimal penetration - to be used daily all over face and neck for visible resultsThis fragrance free face serum is allergy tested and free of parabens, mineral oils and synthetic dyesRevitalift Derm Intensives 10% Pure Vitamin C Serum is packaged in an innovative air-tight metal tube for increased stability and efficacy - shielding the face serum from UV and oxygen exposure