Serum that supports the skin's barrier function and gives radiance. - Product Name: Biome Barrier PHA Glow Refining Ampoule - Ingredients: Gluconolactone, Propanediol, Butylene Glycol, Niacinamide, Acetyl Hexapeptide-8 - Features: Serum that supports the skin's barrier function and gives radiance. - Expiration Date: January 10, 2028 Thank you for viewing.