BIOHEAL BOH Probioderm Tightening Collagen Serum is a highly effective formula designed to enhance skin firmness and reduce the appearance of fine lines through its potent blend of Hydrolyzed Collagen (10,000ppm) and a variety of peptides, including Palmitoyl Tripeptide-5 and Acetyl Hexapeptide-8. Its unique composition, enriched with Niacinamide and Lactobacillus Ferment, works to improve skin texture and hydration, promoting a visibly smoother and more youthful complexion.