January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
June 2024 in “Journal of Clinical Oncology” Frequent use of chemical hair relaxers may increase endometrial cancer risk in Black women.
6 citations
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November 2012 in “Hair transplant forum international” The Laxometer helps make hair transplants with many grafts safer.
January 2021 in “Journal of clinical & experimental dermatology research” LustrivaTM improves hair thickness and reduces facial wrinkles safely.
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.
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
August 2021 in “International Journal of Research in Dermatology” Modern hair straightening improves manageability and strength while maintaining natural waves.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
4 citations
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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
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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.
NaOH treatment improves hair strength and suitability for textiles.
May 2019 in “Case medical research” December 2012 in “SWU eJournals System (Srinakharinwirot University)” Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.
May 2023 in “Clinics in Plastic Surgery” Noninvasive treatments like PRP and laser therapy can effectively promote hair growth and reduce hair loss.
40 citations
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June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
August 2025 in “Tropical Journal of Natural Product Research” LEON gel significantly boosts hair growth without irritation.
3 citations
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January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
6 citations
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October 2023 in “Skin Research and Technology” Endolift laser treatment significantly tightens eyelids and raises eyebrows.
3 citations
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August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
1 citations
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May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
January 2010 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Chemical relaxers may cause scarring alopecia in black women.
May 2007 in “Dermatologic Therapy” Hair care practices like using relaxers and tight braiding can lead to permanent hair loss in black women.
February 2025 in “Journal of Clinical Investigation” RNase L hinders hair growth by altering immune signals.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
Retinol with polylysine cleared scalp skin growths in 21 days without side effects.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
February 2025 in “Biomimetics” The shampoo straightens hair while keeping it healthy and less damaged.
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.
8 citations
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January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.