2 citations
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July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
January 2008 in “Journal of The American Academy of Dermatology” A nonchemical lotion was found effective in killing head lice and their eggs in most people, indicating it could be useful for managing head lice.
27 citations
,
April 1992 in “Biochemical Journal” Minoxidil reduces lysine hydroxylase in skin cells.
January 2010 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Chemical relaxers may cause scarring alopecia in black women.
June 2024 in “Journal of Clinical Oncology” Frequent use of chemical hair relaxers may increase endometrial cancer risk in Black women.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair conditioners are a safe and effective alternative to synthetic ones for healthy, manageable hair.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair conditioners are a safe and effective alternative to synthetic ones for healthy, manageable hair.
20 citations
,
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.
September 2025 in “Journal of Surfactants and Detergents” Shampoos with sodium lauroyl methylaminopropionate improve hair lubrication and reduce irritation.
December 2012 in “SWU eJournals System (Srinakharinwirot University)” Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.
125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
52 citations
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February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
6 citations
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October 2023 in “Skin Research and Technology” Endolift laser treatment significantly tightens eyelids and raises eyebrows.
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.
January 2021 in “Journal of clinical & experimental dermatology research” LustrivaTM improves hair thickness and reduces facial wrinkles safely.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
40 citations
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June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
8 citations
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January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
Retinol with polylysine cleared scalp skin growths in 21 days without side effects.
September 2023 in “International Journal of Cosmetic Science” The shampoo improves hair conditioning without using silicone.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
August 2025 in “Tropical Journal of Natural Product Research” LEON gel significantly boosts hair growth without irritation.
RNase L hinders hair follicle regeneration by altering immune signals.
February 2019 in “International Journal of Dermatology and Clinical Research” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
6 citations
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November 2012 in “Hair transplant forum international” The Laxometer helps make hair transplants with many grafts safer.
3 citations
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June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.