March 2013 in “Molecular & Cellular Toxicology/Molecular & cellular toxicology” m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
January 2021 in “Social Science Research Network” The document concludes that forcing doctors to assist in euthanasia against their will is dangerous and goes against democratic values.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
157 citations
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April 1997 in “International journal of legal medicine” Cosmetic hair treatments like bleaching and dyeing reduce drug levels in hair samples.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
15 citations
,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
3 citations
,
October 2006 in “Journal of dermatology” X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
2 citations
,
July 2013 in “Fashion business” Keratin essence protects and improves damaged hair.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
May 2026 in “Clinical Cosmetic and Investigational Dermatology” White hair can make the scalp look more visible, which may be mistaken for hair loss.
1 citations
,
February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
June 2024 in “Journal of Clinical Medicine” Hair dye can cause severe scalp burns and long-term health risks, so safety guidelines must be followed.
November 2023 in “International Journal of Dermatology” Trichoscopy helps tell apart other hair loss conditions from common hair loss.
August 2023 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” More research is needed on natural hair products, especially clinical studies.
Sea cucumber extract reduces hair loss and improves scalp health after dyeing.
25 citations
,
June 2021 in “Developmental Cell” Dying cells can help with faster healing and new hair growth by releasing a growth-promoting molecule.
288 citations
,
January 2001 in “Journal of Biological Chemistry” Tgm2 helps stabilize dying cells and aids fibroblast attachment to the extracellular matrix.
January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
17 citations
,
January 2016 in “American Journal of Epidemiology” Men with male pattern baldness have a higher risk of dying from prostate cancer.
January 2025 in “International Journal of Trichology” Severe hair loss may increase the risk of dying from COVID-19.
June 2017 in “Journal of The American Academy of Dermatology” LED light helps hair follicle cells grow and prevents them from dying by activating certain cell pathways.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” People with moderate or severe hair loss are at a higher risk of dying from diabetes and heart disease.
20 citations
,
May 2018 in “The Journal of Urology” Men taking 5-alpha-reductase inhibitors before or after bladder cancer diagnosis had a lower risk of dying from the disease.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
January 2020 in “대한미용학회지” Permanent hair dye reduces sulfur content in both gray and black-brown hair.
2 citations
,
May 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Stem cells help remove dead cells to keep tissues healthy by balancing cell replacement and clearance.
3 citations
,
January 2019 in “Electronic Imaging” The device accurately estimates natural hair color at the roots in real time.
20 citations
,
September 1998 in “PubMed” Gorillas in Gabon improved after protein supplements were added to their diet.