Klorane Shampoo With Peony, 13.5-oz. is a plant-based shampoo formulated to gently cleanse the hair while helping soothe and comfort sensitive scalps. It contains peony root extract (Paeonia lactiflora), a botanical ingredient selected for its soothing properties. The formula is pH-balanced and designed to provide a comfortable, calming sensation for up to 24 hours. It is suitable for dry, itchy, tight, or irritated scalps and is also safe for color-treated hair. Klorane states that the formula contains 85% naturally derived ingredients and is vegan and biodegradable. The 13.5 fl oz size corresponds to approximately 400 ml, and the product is currently listed as discontinued on Klorane's U.S. website.