Nioxin Diameter System 4 Scalp & Hair Treatment (Colored Hair, Progressed Thinning, Color Safe) 200ml Mulgrave-Warehouse Generous 350ml bottle provides ongoing

Generous 350ml bottle provides ongoing care without frequent repurchases

not dry or straw-like

Layer lightly with a complementary vanilla or musk fragrance if you want a subtle enhancement rather than a full new scent

especially in dry environments

Nioxin Diameter System 4 Scalp & Hair Treatment (Colored Hair, Progressed Thinning, Color Safe) 200ml Mulgrave-Warehouse Generous 350ml bottle provides ongoingNioxin 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