Her grandmother used kombucha as a face toner. This US-based fermenter does the same today

While you may be familiar with kombucha’s benefits for your gut, one US-based brewer is determined to show that the drink and its by-products can also make for excellent skincare. Pennsylvania-based Olga Sorzano, 49, the owner and brewer behind decade-old Baba’s Brew as well as a chef and culinary instructor, has an expansive, multifaceted career – but all her varied interests are united by one thing: fermentation. Her newest venture is A Culture Factory, a line of kombucha-infused skincare...