July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
Garlic can help hair grow by activating certain growth pathways, and it works whether you eat it or apply it to your scalp.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Auxin helps root hairs grow in high phosphate by affecting ROS and involving RSL2 and RSL4.
January 2017 in “Korean Journal of Pharmacognosy” Modified red ginseng extract promotes hair growth and has antioxidant and anti-inflammatory effects.
July 2024 in “Journal of Investigative Dermatology” Topical thyroid hormones may boost hair growth.
January 2016 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A substance called prostaglandin D2 is found more in bald scalps and it stops hair from growing. Blocking its receptor could potentially treat hair loss.
1 citations
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July 2023 in “Aesthetic Plastic Surgery” PRP treatment for hair loss might improve how patients feel about their quality of life, but more research is needed to confirm its effectiveness.
December 2024 in “Institutional Repositories DataBase (IRDB)” Shoulder guard hair best shows sika deer's diet.
47 citations
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August 2016 in “Fitoterapia” Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.
41 citations
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June 2024 in “Journal of Cellular and Molecular Medicine” Natural antioxidants may help prevent hair loss by reducing oxidative stress.
30 citations
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October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
26 citations
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March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
24 citations
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June 1999 in “Mechanisms of Development” Ornithine decarboxylase is crucial for hair growth and follicle development.
22 citations
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June 2012 in “PLOS ONE” Cholesterol-related compounds can stop hair growth and cause inflammation in a type of scarring hair loss.
18 citations
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November 2014 in “Journal of Agricultural and Food Chemistry” Brazilian propolis was found to speed up hair growth in mice by increasing the growth of skin cells that form hair.
12 citations
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July 1993 in “In Vitro Cellular & Developmental Biology - Animal” Minoxidil enhances hair growth and preserves the root sheath in cultured follicles.
10 citations
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August 2020 in “Acta histochemica” All-trans-retinoic acid stops mink hair growth by affecting cell growth and causing cell death.
10 citations
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February 2016 in “Journal of Dermatological Science” Skin sheath cells help in hair growth and renewal after birth.
8 citations
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August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
5 citations
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October 2024 in “International Journal of Biological Sciences” A peptide from hair follicle stem cells can boost hair growth.
5 citations
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September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
4 citations
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September 2020 in “Journal of Cosmetic Dermatology” PRP treatment significantly increased hair density and thickness in male hair loss.
3 citations
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January 2023 in “International journal of molecular sciences” Certain miRNAs play a key role in the growth of cashmere by affecting hair follicle development and regeneration.
2 citations
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March 2021 in “Dermatologic Therapy” Low-level laser therapy helps increase hair growth in female pattern hair loss but not in telogen effluvium.
1 citations
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January 2020 in “Aesthetic Surgery Journal” Platelet-rich plasma and stem cell therapies are accepted treatments for hair restoration, with specific protocols recommended for best results, but more standardization is needed in stem cell use.
1 citations
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January 2019 in “Skin Pharmacology and Physiology” Eplerenone, a mineralocorticoid receptor antagonist, was found to promote hair growth in human hair follicles.
November 2025 in “Journal of Investigative Dermatology” Skin-associated cartilage cells can influence hair growth by altering specific signaling pathways.
May 2025 in “Indian Journal of Pharmacology” Rosemary and capsicum extracts can help hair growth in rats with hair loss.
April 2025 in “Regenerative Therapy” Platelet-rich plasma-derived exosomes can help regrow hair by activating a specific signaling pathway.
March 2025 in “Authorea (Authorea)” PRP injections for hair growth can cause temporary vision loss, which may be resolved with treatment.