September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
January 2025 in “Open Veterinary Journal” Supplements improved the dog's hair growth without side effects.
April 2019 in “Journal of Investigative Dermatology” Dihydrotestosterone (DHT) increases oil production in skin cells by activating mTOR, and mTOR inhibitors can reduce this effect.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
January 2023 in “International Journal of Trichology” The hemp extract significantly increased hair regrowth in both men and women without any side effects.
May 2025 in “Experimental Dermatology” Triphenylphosphine oxide can increase oil production and reduce inflammation in skin cells without affecting TRPM5.
Aloe vera and celery extract in microemulsion form significantly improve hair growth.
14 citations
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July 2017 in “Pakistan Journal of Zoology” Fenugreek leaf extracts significantly promoted hair growth in mice with alopecia.
7 citations
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May 2021 in “Dermatologic Clinics” Nutraceuticals like Ashwagandha and Astaxanthin may help with hair loss, but supplement regulation is challenging.
13 citations
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May 2019 in “Cancer Prevention Research” Grape seed extract may safely and effectively help prevent lung cancer.
17 citations
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February 2015 in “Phytochemistry Reviews” Southeast Asian herbs show promise for skin and hair care, but more research is needed to confirm their effectiveness in cosmetics.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.
January 2025 in “RSC Advances” The new delivery method for finasteride using nanoparticles may improve hair growth without skin issues.
Supplements improve health, appearance, and athletic performance.
December 2023 in “International Journal of Health and Pharmaceutical” A mix of 80% coconut oil and 20% candlenut oil best promotes hair growth.
December 2025 in “Molecules” DPP may help hair regrowth by improving blood vessel function under stress.
January 2019 in “The Pharma Innovation Journal” The best mix for a hair loss treatment cream is 10% Sophora japonica tincture and 5% Serenoa repens extract.
Some supplements may help reduce side effects of cancer treatments in pets.
10 citations
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May 2018 in “Nutrition and Cancer” Certain spices may help prevent and treat skin cancer, but more human trials are needed.
October 2017 in “Universidad Nacional de Trujillo” Low doses of Coffea arabica seed extract prevent prostate growth and lower uric acid and PSA levels.
1 citations
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January 2017 in “Deleted Journal” Orthosiphon stamineus extract can significantly boost hair growth and cell proliferation in hair loss patients.
1 citations
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May 2023 in “International Journal of Applied Pharmaceutics” Placenta extract in novasomes improved rat hair growth better than minoxidil and placenta extract in liposomes.
June 2025 in “Journal of Cosmetic Dermatology” Botanical extract shampoo and tonic improved hair loss in most participants.
October 2025 in “Aquaculture” Coconut oil boosts testosterone but doesn't fully trigger reproductive maturity in pufferfish.
July 2025 in “Journal of Investigative Dermatology” Solid Lipid Particle technology makes retinol more stable, effective, and gentle on the skin.
January 2026 in “EJC Skin Cancer” The serum effectively improves hair growth and is well-tolerated for post-cancer hair loss.
46 citations
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January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
5 citations
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January 2020 in “Skin Appendage Disorders” The nail strengthener with Pistacia lentiscus and hyaluronic acid improves brittle nails' appearance and strength.
8 citations
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January 2017 in “Elsevier eBooks” Certain nutrients can help keep skin healthy as we age.
Long bean leaf juice significantly promotes hair growth.