Kombucha Plant Biome Serum100% Natural Ingredients and Korean Organic Kombucha Hydrating serum that is formulated with organically grown fermented green tea and 70. 5% Kombucha extract Benefits of Kombucha Contains several antioxidants, 4 times that of green tea, that are produced during the fermentation process to help protect the skin. Kombucha and Ceramide Quickly absorbs into the skin to soothe and strengthens skin's moisture barrier and helps restore sensitive skin with a