October 2025 in “Dermatology and Therapy” This study observed that adults with thinning hair who ingested a patented botanical-based supplement experienced significant increases in hair shaft diameter and reductions in hair breakage over 180 days, suggesting improved hair strength and length across various demographic groups.
August 2024 in “Journal of Cosmetic Dermatology” This study reported significant improvements in hair density and growth ratio in androgenetic alopecia patients receiving concentrated growth factor injections, with benefits sustained for 6 months.
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March 1989 in “Journal of The American Academy of Dermatology” This study found that recombinant human leukocyte interferon alfa-2a achieved a 64% overall antitumor response rate in patients with early and advanced cutaneous T cell lymphoma and was generally well-tolerated.
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December 2024 in “Cosmoderma” This study reported that Nyumi Happy Hair Gummies improved hair growth, thickness, density, and gloss in adults with hair fall, while also reducing hair fall and enhancing nail health, without any adverse effects reported during the trial.
This study reported that Soulflower Rosemary Redensyl Hair Growth Serum (Tetragain™) significantly improved hair growth, increased hair thickness, reduced hair fall, and decreased graying over 120 days, with participants rating the treatment as effective and experiencing no adverse effects.