Boost your hair's volume with KMS's Addvolume solid shampoo. This shampoo bar provides body and fullness to fine or flat hair. Formulated with 78% natural origin ingredients and free from sulfates, silicones, alcohol and fragrance. Packaged in a folding box, this shampoo bar is 95% biodegradable, ensuring you can reduce your environmental footprint whilst keeping your hair bouncy and fresh.