September 2019 in “Journal of Investigative Dermatology” Apple stem cell extract may increase the number of stem cells in a part of the hair follicle.
November 2022 in “Journal of Investigative Dermatology” Fish-derived collagen may help hair grow longer and affect hair stem cells, while bovine collagen could benefit hair stem cell maintenance, potentially aiding in hair loss conditions.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
July 2024 in “Journal of Investigative Dermatology” USPlus®Derm may help hair growth and maintain stem cells in male pattern hair loss.
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November 2015 in “International Journal of Radiation Biology” Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.