Delivering intense moisture to breakout-prone skin types, Dr. Barbara Sturm's Microbiotic Hydrating Blemish Control HA Serum balances the look of skin for an even appearance. Utilising an active complex from tiger grass, a traditional Chinese extract used in Ayurvedic medicine, the potent active delivers instant soothing benefits to sensitive skin types. A blend of pre and probiotics nourishes the skin's natural moisture barrier, while butterfly bush flower comforts the feeling of skin with hydration. Gentle enough for teenage use, the serum helps to minimise the appearance of blemishes and soothe visible redness.