Poly(γ-Glutamic Acid)/Chitosan Hydrogel Nanoparticles for Effective Preservation and Delivery of Fermented Herbal Extract for Enlarging Hair Bulb and Enhancing Hair Growth

This study suggests that the hydrogel nanoparticle formulation of hair growth-promoting compounds may enhance hair follicle penetration and induce hair growth in tested models, demonstrating its potential as a hair growth treatment.

This study found that PGA-4HGF nanoparticles enhanced hair growth in mice more effectively than 4HGF alone by increasing anagen phase duration and dermal papilla cell proliferation.

This study formulated a nano-herbal hair spray using neem, fenugreek, and amla extracts combined with chitosan nanoparticles, finding it enhanced hair elasticity, breakage resistance, and provided antibacterial protection, suggesting it as an effective natural alternative to traditional hair treatments.

The study reported that a poly herbal gel containing Lagenaria siceraria, Trichosanthis cucumarina, and Tridax procumbens promoted hair growth in human volunteers, with noticeable effects observed after 90 days.