(TrendHunter.com) Peptides, long beloved in skincare for their firming and rejuvenating benefits, are now making waves in hair products, like the new OGX ProGrowth + Peptide system. Fueled by a trusted face-grade…(TrendHunter.com) Peptides, long beloved in skincare for their firming and rejuvenating benefits, are now making waves in hair products, like the new OGX ProGrowth + Peptide system. Fueled by a trusted face-grade…