January 2015 in “Journal of clinical & experimental dermatology research” A protein combining parathyroid hormone and collagen helped hair regrow in mice with a hair loss condition.
January 2006 in “Journal of Sun Yat-sen University” Engineered skin using stem cells and collagen sponge effectively healed and regenerated complex skin features in mice.
January 2005 in “Medical Entomology and Zoology” The reinforced collagen sponge helps grow normal hair in mice.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
Collagen CLR and placenta extract may help treat diffuse hair loss.
October 2022 in “International Journal of Molecular Sciences” Fish collagen peptides can significantly promote hair growth.
June 2021 in “Journal of Cosmetic Dermatology” Laser treatment shows promise for hair growth, but needs further research.
11 citations
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April 2020 in “Nutrafoods - International Journal on Nutraceuticals, Functional Foods and Novel Foods” Taking Bioactive Collagen Peptides increases hair thickness.
5 citations
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November 2023 in “Journal of Investigative Dermatology”