<p>A professional ampoule designed to support a healthy-looking scalp environment and improve the appearance of fuller, more resilient hair. Copper Tripeptide-1 (GHK-Cu) anchors the formula, working in synergy with Biotinoyl Tripeptide-1, Acetyl Hexapeptide-3, Acetyl Hexapeptide-1, and Hexapeptide-11.</p><p><strong>Sample size:</strong> 2 mL professional evaluation vial. Full-size reference: 4 mL professional vial.</p><p><em>Professional cosmetic evaluation only. Samples are not intended for resale.</em></p>