Nioxin Diameter System 4 Scalp & Hair Treatment (Colored Hair, Progressed Thinning, Color Safe) 200ml StrawberryNet Green Pea Protein provides a

Green Pea Protein provides a rich amino acid boost to nourish and replenish the hair shaft

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Nioxin Diameter System 4 Scalp & Hair Treatment (Colored Hair, Progressed Thinning, Color Safe) 200ml StrawberryNet Green Pea Protein provides aNioxin Diameter System 4 Scalp & Hair Treatment is engineered for colored hair with progressed thinning, delivering targeted scalp care while helping hair appear thicker and fuller. As Step 3 in the 3D Care System Kit 4, this leave in treatment is formulated to protect treated hair while you address thinning concerns, giving you a breathable, manageable routine without sacrificing color integrity. Why this matters for color treated haira specialized