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.
49 citations
,
April 2012 in “Phytotherapy Research” Rosemary leaf extract may be an effective natural treatment for hair growth and male pattern baldness.
190 citations
,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
82 citations
,
September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
29 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.
24 citations
,
November 2013 in “British Journal of Dermatology” Chemotherapy causes hair loss starting soon after treatment begins and recovers about 3 months after ending, while tamoxifen does not significantly affect hair growth.
22 citations
,
June 2012 in “PLOS ONE” Cholesterol-related compounds can stop hair growth and cause inflammation in a type of scarring hair loss.
14 citations
,
June 2018 in “Frontiers in pharmacology” Green tea compound EGCG helps mink hair follicles grow by affecting certain cell growth pathways.
9 citations
,
April 2019 in “International Journal of Molecular Sciences” Kojyl cinnamate ester derivatives can promote hair growth by increasing adiponectin production in fat tissues.
8 citations
,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
March 2026 in “Frontiers in Pharmacology” New treatments for hair loss show promise but need more testing for effectiveness and safety.
November 2025 in “Discover Pharmaceutical Sciences” The essential oils nanoemulsion promotes hair growth better than 2% minoxidil in mice.
March 2026 in “Scientific Reports” Ferulic acid may help hair grow by activating certain receptors in cells.
December 2025 in “Applied and Computational Engineering” Hair dyes can be harmful, but risks vary by person and can be reduced.
15 citations
,
January 2016 in “Biological & Pharmaceutical Bulletin” Bee venom helps hair grow and may work better than some common treatments.
7 citations
,
January 2015 in “Biological & Pharmaceutical Bulletin” Rice Bran Supercritical CO2 Extract significantly increased hair density and diameter in male alopecia patients without any side effects.
5 citations
,
October 2024 in “International Journal of Biological Sciences” A peptide from hair follicle stem cells can boost hair growth.
36 citations
,
January 2014 in “Evidence-based Complementary and Alternative Medicine” Pumpkin seed oil helps hair growth in men with hair loss.
29 citations
,
January 2004 in “Experimental Dermatology” Topical anthralin helped regrow hair in mice with a condition similar to human alopecia.
12 citations
,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
8 citations
,
January 2016 in “Annals of Dermatology” A complex of 5-aminolevulinic acid and glycyl-histidyl-lysine peptide may help increase hair count in male pattern hair loss without side effects.
8 citations
,
September 2016 in “Asian journal of beauty & cosmetology” Dendropanax morbifera leaf extract could be good for hair growth and cosmetic products because of its antioxidant properties and growth factor effects.
2 citations
,
January 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called FERONIA helps control root hair growth in response to cold and low nitrogen by activating nutrient-sensing pathways in a plant called Arabidopsis.
1 citations
,
October 2018 in “International research journal of pharmacy” Rampai leaves extract can significantly stimulate hair growth.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
January 2025 in “International Journal for Research Trends and Innovation” The polyherbal hair oil promotes hair growth effectively and is safe for use.
January 2025 in “International Journal of Pharmaceutical Research and Development” Vitex negundo oil promotes hair growth and may treat alopecia safely.
October 2023 in “JOJ dermatology & cosmetics” Thiocyanate helps hair growth and can be supplemented in diet or applied topically.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
March 2013 in “Molecular & Cellular Toxicology/Molecular & cellular toxicology” m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.