SHABONDAMA SOAP Additive-free Soap Shampoo Rinse (520ml / refill 420ml) Rinse for additive-free soap shampoo. Closes cuticles opened by shampoo and leaves hair silky smooth. Free of silicone, synthetic polymers, fragrance, colorants, and preservatives. Weakly acidic to minimize scalp irritation. Skin allergy/irritation tested. (This does not mean that all people will not experience allergies or irritation.)