The Black Diamond Protein Volume Reducer is a professional treatment specifically designed to reduce hair volume while leaving it smooth, soft, and frizz-free. Ideal for thick, unruly, or frizzy hair.
Enriched with proteins, this formula deeply nourishes and strengthens the hair while making it smoother and easier to manage. The result is long-lasting straight, shiny, and healthy-looking hair without weighing it down.
Perfect for salon use or at-home treatments with professional results.
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