Pro-Vit B5 Hair Tonic. Features: Patented Scalp Collagen Boost System 8GROW Pro-Vit B5 Hair Tonic features patented peptide ingredients that help support scalp collagen synthesis and improve the overall scalp environment, strengthening hair health from the roots for reduced hair loss and stronger strands.. Benefits: Strengthens Scalp to Support Hair Growth By nourishing the scalp with Pro-Vitamin B5, biotin, peptides, and niacinamide, the 8grow Pro-Vit B5 Hair Tonic helps create a healthier foundation for hair, improving resilience and reducing breakage for stronger, fuller-looking strands over time.. Key Ingredients: 8grow Pro-Vit B5 Hair Tonic work together to support scalp health and strengthen hair: Pro-Vitamin B5 (Panthenol) deeply hydrates and soothes the scalp, biotin and niacinamide fortify hair strands and improve resilience, and patented peptides help promote a healthier scalp environment. Cooling menthol and plant-derived extracts refresh the scalp while nourishing and reducing breakage..