21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
32 citations
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January 2008 in “Journal of Microencapsulation” Cosmetics with hinokitiol-loaded nanocapsules were found to effectively promote hair growth.
24 citations
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February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
1 citations
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June 2024 in “International Journal of Drug Delivery Technology” Herbal hair serums effectively promote hair growth and are safer than traditional treatments.
October 2015 in “한국임상수의학회 학술대회논문집” June 2024 in “Journal of Korea Society of Ingrielogy” Sea cucumber extract can improve scalp health and hair shine.
January 2026 in “Lumbung Farmasi Jurnal Ilmu Kefarmasian” The topical formula with sidr leaves and roasted candlenut extracts significantly boosts hair growth for alopecia.
April 2017 in “Journal of Investigative Dermatology” Applying pseudoceramide improved skin and hair health.
4 citations
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March 2008 in “Journal of the American Academy of Dermatology”
14 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” The compound (1R,2S)-4-(2-Cyano-cyclohexyl-oxy)-2-trifluoromethyl-benzonitrile can stimulate hair growth and reduce oil production when applied topically.
April 2026 in “Dermatologic Clinics” 30 citations
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July 1984 in “Journal of Animal Science” Adding biotin to sows' diets increased the number of pigs weaned per litter.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair oil effectively promotes hair growth and improves hair health.
1 citations
,
July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
30 citations
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February 1996 in “Journal of Investigative Dermatology” September 2021 in “Crop research/Crop Research” Aluminum foil packaging kept the biotin nutrition bar with the least bacteria after 30 days.
15 citations
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
27 citations
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September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
34 citations
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April 1982 in “BMJ” October 2024 in “Archives of Dermatological Research” April 2016 in “한국고분자학회 학술대회 연구논문 초록집” 18 citations
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February 2021 in “Archives of Dermatological Research” Physcion may help treat hair loss by blocking an enzyme linked to baldness.
June 2025 in “Research Journal of Pharmacy and Technology” The herbal hair oil with hibiscus and other herbs may effectively promote hair growth and prevent greying.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
7 citations
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January 2021 in “Journal of Cosmetics Dermatological Sciences and Applications” Improving the scalp's barrier function can help reduce dandruff and maintain scalp health.
Onion peel oil may help hair growth and treat hair loss.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Medicinal herbs like Aloe vera and neem are beneficial for healthy hair growth and are safer than synthetic products.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
3 citations
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May 2018 in “Italian journal of dermatology and venereology” The lotion with N1-methylspermidine and Sandalore® effectively reduces hair loss and promotes hair growth.
November 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Exosomes from bovine colostrum may be effective for hair growth and slowing hair loss.