MIXSOON Bifida Ferment essence Bifida Ferment Essence is enriched with Bifida Ferment Extract, a top ingredient for skin rejuvenation that strengthens damaged skin barriers and supports natural healing. Used in premium serums like Estée Lauder’s Night Repair, it’s essential for achieving healthy, radiant glass skin. Ideal for sensitive, rough, or irritated skin, it enhances elasticity and delivers deep nourishment. Vegan, alcohol- and fragrance-free.