Check out the NEOGEN - Real Ferment Micro Serum, a serum with natural extracts to deliver a smoother, brighter, and stronger glowing complexion. Featuring betula alba juice extract, bifida ferment lysate, and saccharomyces ferment filtrates to nourish the skin, this serum is formulated with 61% fermented ingredients. The Real Ferment Micro Serum delivers antioxidants to the skin to fight free radicals, and boosts the elasticity with bifida ferment lysate.