December 2021 in “Research Square (Research Square)” Hair growth-promoting nutraceuticals do not block the cancer-fighting effects of tamoxifen and may enhance its action.
April 2017 in “Journal of Pharmaceutical Investigation” Indole-based compounds improved ovarian health in rats with PCOS, with L-Tryptophan and Tryptophol being most effective.
October 2017 in “The Japanese Biochemical Society/The Molecular Biology Society of Japan” Some natural compounds might help hair grow.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
54 citations
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January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
31 citations
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December 2023 in “GeroScience” January 2014 in “edoc (University of Basel)” Anabolic steroids and inflammation can disrupt androgen metabolism, potentially causing health issues.
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September 1998 in “PubMed” Gorillas in Gabon improved after protein supplements were added to their diet.
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January 2020 in “PeerJ” Keratin peptides in hair might help identify gender and ethnicity.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
December 2024 in “Molecules” Bovine milk-derived exosomes may improve skin, hair, gut, brain, and bone health.
8 citations
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February 2022 in “Molecules” Asparagus racemosus root extract reduced sebum and pore size in men but not in women.
1 citations
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February 2025 in “Journal of Dairy Science” The SLICK1 allele in Holstein heifers affects hair and immune traits without altering prolactin signaling.
3 citations
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January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
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April 2021 in “Journal of Cosmetic Dermatology” Brassica oleracea extract, glucosinlates, and sulforaphane can boost hair growth and might be used to treat hair loss.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
32 citations
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January 1990 in “Clinical Endocrinology” Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
1 citations
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January 2022 Myo-inositol and D-chiro-inositol improve hormonal and physical symptoms in teenage girls with PCOS.
9 citations
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January 1959 in “The journal of nutrition/The Journal of nutrition” Higher potassium intake may protect against hair loss and liver fat in lysine-deficient rats.
January 2024 in “Academic Journal of Medicine & Health Sciences” The herbal tea blend may improve hair health and overall well-being, but more research is needed.
June 2025 in “Stem Cell Research & Therapy” Isoproterenol may help treat hair loss by activating hair follicle stem cells.
91 citations
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July 2004 in “Journal of Biological Chemistry” Overexpressing SSAT enzyme reduces prostate tumor growth in mice.
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November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Saw Palmetto, especially with Lycopene, L-Arginine, and Astaxanthin, improves male health by balancing hormones and boosting energy.
4 citations
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July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
117 citations
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September 2003 in “Molecular & cellular proteomics” The technology can help diagnose and subtype autoimmune diseases by identifying specific autoantibodies.
Low-temperature extracts of black beans, peony, and green tea improve scalp health and are better than traditional hot-water extracts.
209 citations
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March 1998 in “Biochemical and biophysical research communications” Scientists found new nonsteroidal compounds that can act like natural male hormones and might help treat male fertility and hormone issues.
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March 2022 in “Antioxidants” Synthetic antioxidants are effective, cheap, and stable, with some like zinc and cholecalciferol reducing child and cancer deaths, but the safety of additives like BHA, BHT, TBHQ, and PEG needs more research.