1 Serum Pen – 1 Month . Best for thin hair. Focus on hair line. For best results, use daily. Do not rinse. For best results, pair with the full OGX ProGrowth + Peptide product routine. STRENGTHEN & DENSIFY: This OGX ProGrowth + Peptide Scalp Serum hydrates the scalp to help reinforce roots to support natural hair growth.
