COSRX Oil-Free Ultra-Moisturizing Lotion with Birch Sap 100ml

A lotion built around one clear choice: birch sap instead of plain water. That single formulation decision changes the texture, changes how it feels on skin, changes what you actually get out of it — with no adjustment period required. For anyone who wants real hydration without the heaviness of a cream.

Texture and key ingredients — The formula is 70% Betula Platyphylla Japonica Juice — Japanese birch sap — which helps reduce water loss from the skin in a way that regular purified water simply cannot. Allantoin and Panthenol are there to calm reactive or sensitive skin. Sodium Hyaluronate, the salt form of hyaluronic acid, holds moisture at the surface of the skin. The lightweight, oil-free texture comes down to the absence of any oils: the soft, smooth feel comes from Dimethicone and Glycerin, not from an occlusive film sitting on top of your skin.

How to use it — This fits into your routine after toner and any chemical exfoliants, before your moisturizer or sunscreen — it's a hydration step, not a protective one. Apply the amount you need to your face and gently pat it in, working with the skin rather than against it. It absorbs quickly and doesn't leave any sticky residue.

• 70% Betula Platyphylla Japonica Juice (Japanese birch sap): helps limit water loss from the skin and suits all skin types.
• Oil-free formula: a good fit for skin that doesn't get along well with rich textures, or for days when you're wearing makeup on top.
• Sodium Hyaluronate to keep hydration levels up at the skin's surface.
• 100 ml — an everyday size. Keep away from heat and direct light to preserve the formula.
• Use before your moisturizer or SPF, never after: getting the order right ensures the lotion can actually absorb instead of being blocked out.