RETURNU Deep Comfort Ampoule – Hydrating Serum with Birch Sap and Ceramides

Instant Hydration and Skin Barrier Reinforcement with Korean Birch Sap

Discover this 100% vegan ampoule-serum, formulated with 10,000 ppm Korean birch sap, which provides instant and long-lasting hydration. Rich in vegan ceramides and panthenol, the ampoule strengthens the skin's natural barrier, prevents moisture loss, and leaves the skin smooth, firm, and radiant from the very first application.

Clinically Proven Results and Lightweight Formula, Suitable Even for Sensitive Skin

Clinical studies confirm a 40.71% increase in moisture retention, a 7.67% improvement in deep hydration, and a 15.10% strengthening of the skin barrier after two weeks. Its lightweight, non-sticky texture absorbs quickly and is hypoallergenic, clinically tested, and PETA vegan certified — safe even for sensitive and mature skin.

Frequently Asked Questions (FAQ)

What does Korean birch sap do for the skin?

Korean birch sap is rich in minerals, amino acids, and natural antioxidants that deeply hydrate and energize the skin. Unlike regular water, it penetrates the skin layers more quickly, providing instant and long-lasting hydration.

Is it suitable for sensitive or mature skin?

Yes. The formula is hypoallergenic, dermatologically tested, and PETA vegan certified, making it suitable even for sensitive or mature skin. It contains no fragrance or irritating ingredients.

How do I integrate it into my daily routine?

Apply a few drops morning and evening to clean skin, after toner and before moisturizer. Gently pat with fingertips until fully absorbed.