Normal hair: with Birch and Papaya extracts and Bitter Orange and Sage essential oils to give strength and shine to the hair. 85 g. The complete absence of silicones, soaps, and fragrances in the solid shampoo formulations makes it a green cleanser with balanced washing activity for the hair and scalp treatment. Using the solid shampoo is simple. After wetting the hair, simply rub the bar directly over the entire area, carefully massaging both the scalp and the full length of the hair. Finally, rinse thoroughly with warm water and proceed with your usual treatment if desired. Store solid shampoo away from water contact. THE THREE TYPES OF SOLID SHAMPOO.