The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
14 citations
,
October 2020 in “Journal of ethnopharmacology” Lepidium sativum seed extracts helped reduce inflammation and improve insulin response in obese rats on a high-fat diet.
1 citations
,
August 2017 in “Journal of food and nutrition research” The herbal supplement increased hair thickness and reduced scalp oiliness in women.
2 citations
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January 2020 Certain dietary supplements can improve hair health.
109 citations
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April 1997 in “Journal of Lipid Research” Linoleate deficiency in rats reduces growth and n-6 polyunsaturate accumulation, causing mild symptoms.
2 citations
,
March 2025 in “Industrial Crops and Products” Supercritical fluid extraction of peach kernel oil is efficient and produces oil with high antioxidant properties.
25 citations
,
August 2016 in “Journal of Cosmetic Dermatology” The marine complex supplement significantly improved hair growth in men with thinning hair without adverse effects.
1 citations
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January 2021 in “Elsevier eBooks” Olive and olive oil help prevent and manage heart diseases.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Different diets change the fat composition in mouse skin, often reducing beneficial omega-3 fatty acids.
6 citations
,
November 2020 in “Journal of cosmetic dermatology” Para rubber seed oil is a safe and effective treatment for hair loss.
1 citations
,
February 2024 in “Pharmacognosy Journal” Fenugreek seed extract boosts testosterone and improves male reproductive health without heart side effects.
April 2024 in “Jurnal Agroindustri Halal/Jurnal agroindustri halal” The hair tonic with the highest seaweed extract content showed the best hair growth results.
March 2023 in “Medico Research Chronicles” Omega-3 fatty acids may help manage hair loss in middle-aged women.
3 citations
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January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
December 2025 in “Revista em Agronegócio e Meio Ambiente” Enriched sunflower seed oil with green coffee beans has higher antioxidants and potential for wound treatment.
1 citations
,
March 2021 in “Journal of Experimental Biology and Agricultural Sciences” Flaxseed crackers can help reduce symptoms of PCOS in young women.
3 citations
,
January 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Pumpkin seed oil may help hair grow and could be an alternative treatment for male hair loss.
1 citations
,
February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
The transgenic safflower oil with oleosin-rhFGF9 improved hair growth and wound healing in mice.
8 citations
,
January 2012 in “International journal of polymer analysis and characterization/IJPAC. International journal of polymer analysis and characterization/IJPAC. International journal of analysis and characterization” Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.
4 citations
,
January 2023 in “Medical Journal of Babylon” Hemp seed oil shows promise in treating localized alopecia areata.
3 citations
,
April 2016 in “Research and reports in urology” The new saw palmetto extract effectively inhibits an enzyme linked to prostate enlargement and may be as good as standard treatments.
November 2023 in “Clinical, Cosmetic and Investigational Dermatology” Saw palmetto extract reduced hair loss and improved hair growth in people with hair thinning.
5 citations
,
January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
January 2011 in “Reactions Weekly” St. John's Wort may reduce the effectiveness of finasteride by increasing its breakdown in the body.
January 2025 in “Journal of Cosmetic Dermatology” The supplement improved hair growth and quality in men with thinning hair and was safe to use.
Fenugreek seed extract safely reduces ovarian volume and cyst size in women with PCOS.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
Finasteride-loaded microemulsions, made with cinnamon oil, Tween20, propylene glycol, and water, can help maintain stemness of dermal cells, potentially aiding in hair regeneration.
1 citations
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January 2023 in “Drug Development and Industrial Pharmacy” DMSO-liposomes improve finasteride delivery for hair loss treatment.