Garlic can help hair grow by activating certain growth pathways, and it works whether you eat it or apply it to your scalp.
April 2023 in “Advanced functional materials” The study created a tool that mimics natural cell signals, which increased cell growth and could help with hair regeneration research.
February 2023 in “Molecules” Cactus extract from Notocactus ottonis may help promote hair growth.
May 2004 in “Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease” Vitamin E affects liver metabolism, enhancing stress resistance, reducing blood clotting, and altering hormone processing.
October 2022 in “Biomedicines” Finasteride in male rats causes liver and metabolic issues in their offspring.
13 citations
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September 2017 in “International Journal of Cosmetic Science” Thioglycerol treatment at pH 9.0 with ammonia causes less hair damage and better waving than thioglycolic acid.
3 citations
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January 2019 in “International Journal of Trichology” The balance of thiol-disulfide in women with hair loss is affected but not damaged.
28 citations
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March 1993 in “Journal of Cell Science” Keratins K4 and K13 form stable dimers in mature esophageal cells, aiding cell stability.
December 2021 in “Journal of Cosmetic Dermatology” Thiol/disulfide balance is normal in male AGA patients but shifts towards oxidative stress with emotional stress and low vitamin D.
7 citations
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March 2023 in “European Journal of Dermatology” Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.
2 citations
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February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
September 2016 in “Journal of Engineering and Technological Science” Women with telogen effluvium have an imbalance in thiol-disulphide, suggesting oxidative stress may contribute to hair loss.
12 citations
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July 1964 in “Archives of Dermatology” Selenium sulfide shampoo doesn't affect hair growth or rest phases.
March 2025 in “Skin Appendage Disorders” Selenium disulfide shampoo effectively reduces dandruff and improves scalp health for all hair types.
September 2024 in “Journal of the American Academy of Dermatology” Selenium disulfide shampoo effectively reduces dandruff and is well-liked by users.
September 1980 in “PubMed” Using selenium disulfide on guinea pigs increased hair loss.
109 citations
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January 1980 in “Science of the total environment” Analyzing trace elements in human hair is complex and needs a standardized method.
23 citations
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June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
10 citations
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January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
1 citations
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January 1997 in “Skin Pharmacology and Physiology” Premature infants have less elastic hair than full-term infants.
May 2026 in “International Journal of Cosmetic Science” A plant-based treatment from Avena strigosa seeds effectively repairs and strengthens damaged hair.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
75 citations
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March 2007 in “Journal of Biological Chemistry” QSOX enzymes help form protein bonds in cells, especially in tissues with high secretory activity.
52 citations
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February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
30 citations
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January 2009 in “The scientific world journal/TheScientificWorldjournal” Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
24 citations
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January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
16 citations
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October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.