Skin Actives 5 Star rated Double Action Hair Serum with Keratinocyte Growth Factor (KGF) plus ROS BioNet and Apocynin is specially formulated for a thicker, stronger, younger and healthier looking head of hair. In addition to KGF, our Advanced Ageless Hair Serum includes Methionine Sulfoxide Reductase (MSR), a powerful antioxidant enzyme that reduces free radical damage. Skin Actives' exclusive blend of antioxidant proteins protect the cells that make hair and the enzymes that manufacture melanin, the pigments that colors the hair. These are formulated in our sea kelp bioferment which provides prebiotics, nutrients, polysaccharides and antioxidants to reduce the appearance of gray hairs. We've added 20 necessary amino acids and 20 essential vitamins and minerals that your body needs to grow long and strong hair, including glutamine, proline, biotin, calcium chloride to name a few. We also include botanical extracts known to promote hair formation and caffeine to increase blood flow to follicles.