37 citations
,
January 1975 in “Journal of Experimental Zoology” Epilation doesn't affect rat hair growth; thyroxine speeds it up, while estradiol slows it down.
1 citations
,
October 2023 in “Skin Research and Technology” Hair sunscreens were less effective than expected, especially for dark hair.
57 citations
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August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
May 2024 in “Journal of functional foods” Coffee bean residue extract helps hair growth by activating cell processes.
22 citations
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July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
41 citations
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July 2001 in “PubMed” Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.
11 citations
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January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
December 2013 in “미용예술경영연구” Scalp treatments increased hair density and reduced hair loss in Telogen Effluvium patients.
September 2018 in “Cosmetics” Inositol and arginine solutions improve hair follicle health and turnover.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
rhKGF2 significantly promotes hair growth and follicle development.
11 citations
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June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
October 2023 in “Scientific Reports” Oxytocin may help hair grow by increasing hair growth-related genes and factors.
January 2020 in “프로그램북(구 초록집)” Low-level light therapy with a helmet device can increase hair density and improve scalp appearance.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Chemotherapy side effects might help treat autoimmune hair loss.
22 citations
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April 2015 in “Current problems in dermatology” Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
September 2021 in “Kazanskij medicinskij žurnal” Electrical and chemical skin stimulation can improve hair growth.
21 citations
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January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.
20 citations
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September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
Biofield Energy Healing may help hair growth and skin health.
November 2023 in “International Journal of Advanced Research in Science, Communication and Technology” The herbal hair oil was more effective at reducing hair fall than coconut oil.
August 2023 in “Farmacja Polska” Hair loss significantly lowers quality of life for cancer patients.
January 2010 in “Computerized Tomography Theory and Applications” Dermoscopy image analysis is a simple, effective way to evaluate hair growth and product efficacy.
25 citations
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May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
1 citations
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November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
September 2025 in “Clinical Cosmetic and Investigational Dermatology” Moderate exercise improves skin health, but intense exercise without protection can harm it.
122 citations
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October 2010 in “Clinica Chimica Acta” Washing hair with water or shampoo lowers cortisol levels in hair.
23 citations
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June 1976 in “PubMed” Crash dieting can cause temporary hair loss due to not getting enough energy for hair growth.
Hyaluronic acid in shampoo penetrated hair well, reduced frizz, and improved hair strength and moisture.
January 2020 in “Hair therapy & transplantation” PRP therapy can help stimulate natural hair growth and thicken hair.