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.
Cocor Bebek leaf extract may promote hair growth better than minoxidil at high concentrations.
13 citations
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January 2020 in “Experimental Dermatology” PRP growth factor concentrations vary, no significant hair growth difference found.
89 citations
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December 2006 in “Lancet Oncology” Taking 1 mg/day finasteride for hair loss significantly lowers PSA levels in men, which may affect prostate cancer screening.
36 citations
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February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
6 citations
,
September 2024 in “Plant Cell & Environment” Chitosan affects root hair growth and callose deposition based on its concentration.
2 citations
,
October 2022 in “Journal of cosmetic dermatology” CBD may increase hair growth, but the right concentration is crucial and more research is needed.
December 2024 in “Majalah kedokteran Bandung/Majalah Kedokteran Bandung” Carrot seed oil thickens hair roots and tips, with 75% concentration being most effective.
October 2023 in “Jurnal Ilmu Kefarmasian Indonesia” Cinnamon essential oil and virgin coconut oil hair tonic promoted hair growth, with the highest concentration performing better than the positive control.
September 2022 in “KnE medicine” Argan oil in hair tonic increases hair growth and weight in mice, with the best results at 3% concentration.
9 citations
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August 2005 in “Experimental Dermatology” Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.
4 citations
,
October 2017 in “International Journal of Applied Pharmaceutics” Licorice extract hair tonics are effective and safe for hair growth, except for mild eye irritation at the lowest concentration.
2 citations
,
November 2021 in “International Journal of Applied Pharmaceutics” The phytosome lotion made from Mangkokan leaf extract was more effective for hair growth than 2% minoxidil, especially at 30% concentration.
December 2021 in “Ad-Dawaa' Journal of Pharmaceutical Sciences” Green tea and celery leaf extracts in hair tonic promoted hair growth in guinea pigs, with the best results at specific concentrations.
May 2021 in “Journal of the Endocrine Society” Adolescents with PCOS have higher levels of certain androgens, which are linked to hair growth but don't help diagnose PCOS better than testosterone levels.
February 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Taking 1mg of finasteride daily for hair loss can lower PSA levels by 40-50%, so to keep PSA effective as a cancer screening tool, the PSA value should be doubled during treatment.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
15 citations
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November 2020 in “International Journal of Molecular Sciences” Multi-walled carbon nanotubes can enhance root hair growth in certain plants by affecting nitric oxide and ethylene pathways, but only at specific concentrations.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
8 citations
,
January 2021 in “Bulletin of Experimental Biology and Medicine” ATP and IL-10 levels in hair follicles relate to follicle length and hair growth, with differences in alopecia patients.
54 citations
,
February 1986 in “Archives of Dermatology” Higher minoxidil concentration (5%) works better for severe hair loss, with most patients seeing regrowth in 48-60 weeks.
11 citations
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January 2017 in “Skin Appendage Disorders” Use lower concentrations of triamcinolone acetonide to reduce steroid-induced scalp atrophy.
January 2025 in “International Journal of Endocrinology” A 5% concentration of Dorema aucheri extract significantly improves diabetic wound healing.
22 citations
,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
1 citations
,
December 2021 in “American Journal of Obstetrics and Gynecology” Hair cortisol levels peak in the third trimester and decline postpartum.
16 citations
,
February 1986 in “Clinica Chimica Acta” Zinc deficiency is linked to respiratory infections in children.
33 citations
,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
22 citations
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November 2010 in “Toxicological & Environmental Chemistry Reviews” Smokers and people with dyed hair have higher levels of certain metals in their hair.
19 citations
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September 1999 in “Talanta” New method measures minoxidil concentration faster, more accurately, and automatically.
Finasteride improves hair but may reduce sperm quality at higher doses.