Re-usable up to x3 by applying to clean skin and ensuring you keep it in the packet soaked in the remaining liquid and stored in the fridge. Main active ingredients: Hyaluronic Acid (Low Molecular Weight) (Has a deep moisturizing effect) Niacinamide (Treats uneven skin tone and mitigates acne and the red marks it leaves behind) Ascorbyl Tetraisopalmitate (Works as a powerful antioxidant, with both anti-acne and anti-ageing capabilities) sh-Oligopeptide-1 (Encourages tissue regeneration) Quantity: 1 mask