Divis award-winning Scalp Serum goes beyond a traditional hair serum to focus on a healthy scalp environment, not just existing hair. With amino acids, caffeine, peptides and rosemary oil, our serum designed for thinning hair works to reduce product and oil buildup and promote a ...Divis award-winning Scalp Serum goes beyond a traditional hair serum to focus on a healthy scalp environment, not just existing hair. With amino acids, caffeine, peptides and rosemary oil, our serum designed for thinning hair works to reduce product and oil buildup and promote a clean, healthy environment for your best hair.100% of participants in an 8-week study using the Scalp Serum said their scalps felt refreshed and nourished after use.