- Thickening xtrafusion treatment. An innovative approach to the treatment of thinning hair. Diamax contains a fusion of Niacinamide, Panthenol, and caffeine, and is proven to increase the diameter of each hair stand, to penetrate the hair to make it fuller and more manageable, and to strengthen hair against breakage. An innovative leave-on treatment used to increase the thickness of each existing hair strand for a fuller-looking head of hair. Diamax penetrates the hair and makies it manageable and full, as well as protecting against breakage, allowing it to grow longer.
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