superzero's Strengthening & Scalp Stimulating Shampoo Bar targets thinning hair with a caffeine, vegan keratin, and amla extract blend. This solid shampoo bar promotes volume and stimulates the scalp for healthier hair growth. Includes a convenient saver bag to use up every last piece. The Justiflex Complex ensures gentle cleansing while strengthening hair. Perfect for those seeking a sustainable and effective solution for thinning hair.