Medik8 The CSA Kit Retinol Edition is an easy to follow four-step routine to reduce all signs of premature skin ageing: C for vitamin C, S for sun protection, and A for vitamin A, or retinol. This kit contains a cleanser for a deeper cleanse, vitamin C serum for morning use, anti-ageing moisturiser with broad-spectrum sunscreen, and 0.3% retinol for evening use. Benefits of Medik8 The CSA Kit Retinol Edition Diminishes the size and depth of wrinkles & lines Boosts firmness, plumpness & epidermal hydration Helps to combat sun-induced damage to the skin Boosts collagen and elastin levels Medik8 The CSA Kit Retinol Edition contains: Medik8 Surface Radiance Cleanse. Removes all dirt, oil and unwanted bacteria thoroughly from the skin, leaving luminous skin clarity Medik8 C-Tetra. Helps to combat sun-induced damage to the skin and increase the skin\\\'s elasticity and density Medik8 Advanced Day Total Protect (SPF 30). Provides cellular protection and hydration, while reducing the appearance of fine lines, wrinkles and the visible signs of ageing Medik8 Intelligent Retinol 3TR. Helps to drastically reduce the appearance of fine lines and wrinkles whilst also boosting collagen and elastin levels How to use: Cleanse with Surface Radiance Cleanse morning and night. Massage into moistened face and neck. Gently remove with water and pat face dry In the morning, massage six drops of C-Tetra across the face, neck and decolletage. Leave to absorb before applying moisturiser Apply a liberal amount of Advanced Day Total Protect to face, neck and decolletage In the evening, massage four drops of Intelligent Retinol 3TR across the face, neck and decolletage. Application of retinol should be phased in gradually. Use twice a week for the first two weeks, every other night for the next two weeks, then every night. On any sign of irritation, reduce the frequency of use until skin acclimatises. Size: Medik8 Surface Radiance Cleanse 40mL Medik8 C-Tetra 30mL Medik8 Advanced Day Total Protect 50mL Medik8 Intelligent Retinol 3TR 15mL Please Note: This product cannot be shipped outside the UK or Ireland.