Nioxin System 4 Treatment - Treatment for Colored and Thinning Hair Thicker and fuller hair is not una a chimera. Nioxin System 4 Color Safe is a treatment for severely thinning, fine, and chemically treated hair that intensely cares for the hair, refreshes the scalp, and effectively reduces hair loss. This rinse-free foam treatment strengthens hair fibers, increases their density, and provides nourishment and hydration. Hair looks stronger, more resilient, and protected from breakage, loss, and harmful external agents.| Features reduces excessive hair loss| increases fullness and density of hair fibers| strengthens the struttura of the hair and protects it from breakage| strengthens, hydrates, and nourishes the hair| stimulates hair and protects it from external agents| refreshes the scalp by accelerating its renewal| easy and convenient foam to apply| rinse-free| Composition vitamins, antioxidants, and plant extracts - effectively reduce hair loss, strengthen the struttura, refresh and restore the scalp| peppermint oil - refreshes the scalp| BioAMP technology with nutrients and amino acids - increases hair volume, strengthens it, eliminates brittleness and damage| How to use After washing the hair, evenly apply up to 9 pumps of foam against hair thinning Nioxin System 4 Color Safe on damp hair and the scalp. Focus especially on areas with visible hair loss. Massage thoroughly and then comb. Do not rinse.| Format Bottle 100 ml.