The IsNtree Hyper Vitamin C 23 Serum is a skincare gem that combines soothing and hydrating properties. Key Ingredients: 23% Pure Vitamin C (Ascorbic Acid): Helps fade hyperpigmentation for a radiant complexion. Vitamin E (Tocopherol): Boosts antioxidant synergy. Panthenol: Strengthens the skin barrier, moisturizes, and soothes. Birch Juice: Hydrates and soothes the skin. Lightweight Formula: The serum is fast-absorbing, delivering nutrients and active ingredients deep beneath the dermal layer. How to Use: After applying toner, dispense 2-3 drops and apply to the entire face. Gently pat for better absorption. Store the product in cool, dark places away from direct sunlight due to the nature of Vitamin C. With its high concentration, use the product once every 3-4 days.