COWSHED 3.5% Pre & Post-Biotic Booster Prebiotics restore skin balance and allow good bacteria to flourish. This 3.5% Pre & Post-Biotic Booster feeds the skin with proteins and vitamins, improving the skin’s microbiome which can be thrown off balance due to lifestyle, sun exposure, pollution, diet, and stress. Lactic Acid reduces the appearance of age spots, while Hyaluronic Acid enhances hydration levels and elasticity. Used in every Soho House and Cowshed Spa