The crucial first step in Clé de Peau Beauté's Key Radiance Care Ritual, this essential serum awakens Skin Intelligence while priming skin for optimal absorption of Clé de Peau Beauté skincare. Delivers vital moisture to skin, while supporting the absorption and efficacy of skincare treatments that follow. Strengthens skin from within. With continued use, enhances skin for a softer, smoother texture with increased suppleness, resilience, and hydration.