Designed to work alongside the skin's natural repair and renewal process, the Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum promotes a visibly soothed, healthy-looking complexion. The ultra-concentrated formula is enriched with 2% ectoin, a small molecule that helps to protect against skin cell damage caused by pollution, extreme temperatures or chemical stress. A 2% Copper Lysinate Complex, 2% Acetyl Hexapeptide-8 Complex and 1% Copper Tripeptide Complex work together to firm the appearance of skin and reduce the visible signs of premature ageing. Clinically proven results for all skin types, including sensitive skin. Dermatologically tested.