Dr Dennis Gross has been dedicated to meeting the highest standards when it comes to safe and effective skincare, making the bundle ideal for any serum lover. The Set Contains: Skincare C + Collagen Brighten and Firm Vitamin C Serum (30ml) Melting quickly into skin, the lightweight formula combines the brand's proprietary Vitamin C 3-O C Technology with Collagen Amino Acids and an Energy Complex to instantly brighten and smoothen the appearance of skin. It helps to improve the look of wrinkles whilst alleviating dark spots to promote a more even skin tone. After use, the complexion looks brighter and energised with improved firmness, radiance and texture. Ferulic + Retinol Wrinkle Recovery Overnight Serum (9ml) Recover firmness and help smooth wrinkles caused by aging and the environment with this potent anti-aging serum that delivers a time-released dose of retinol overnight to support skin's natural repair process.