MUSTELA BIO solid shampoo The first solid shower shampoo for hair and body. Soap-free, silicone-free, sulfate-free surfactants, enriched with BIO avocado and BIO olive oil to cleanse the hair and body of the whole family, from 3 years. Leaves skin supple and comfortable and hair soft and shiny. A minimalist, multipurpose product for the whole family. With zero plastics and zero waste.