Sérum T.E.W.L. is a lipid shield serum designed to protect and reinforce the skin barrier. This targeted formula reduces transepidermal water loss (TEWL) while restoring the skin's protective barrier for improved hydration, comfort, and resilience. Key Benefits: Reduces transepidermal water loss (TEWL) Reinforces and protects skin barrier Restores lipid shield and hydration Improves skin comfort and resilience Prevents moisture loss and dehydration How to Use: Apply a few drops to cleansed face and neck, morning and evening. Gently press into skin until fully absorbed. Follow with your moisturizer. Key Ingredients: Lipid Complex – Reinforce skin barrier and prevent water loss Barrier-Repair Actives – Restore protective lipid shield Hydrating Agents – Lock in moisture and improve comfort Best For: Dehydrated, compromised skin with weakened barrier function. Size: 8 ml / 0.3 fl oz