Sulfate and paraben free

Hair Colour Protection

• Fits all Wahl full size clipper blades

Silk-Chrome Titanium technology

Spectral Men's Advanced Hair Density Serum Seche Sulfate and paraben freeThe popular Spectral. DNC N now comes in a new package and has been rebranded as Spectral Men's Advanced Hair Density Serum, and Spectral Women's Revitalizing Hair Density Serum. Featuring Nanoxidil 5% to promote thicker, fuller looking hair. Spectral Men's Advanced Hair Density Serum is the first clinically tested topical serum to employ 5% Nanoxidil complex. This powerful proprietary molecular compound improves the appearance of thinning hair thanks