February 1938 in “Journal of the American Medical Association” Washing can prevent cancer from lubricating oils, extreme body temperatures need more study, Sulfomid is not recognized, no reliable diphtheria carrier treatment except surgery, eyelid injuries should heal before repair, heterophile antibody test is specific for mononucleosis, chlorine inhalations for colds are outdated, and wheat germ is safe.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
March 2018 in “John Wiley & Sons, Ltd eBooks” Surgical therapies for vitiligo vary in effectiveness, with combination therapy and medical tattooing recommended for better results.
January 2011 in “Journal of biological research” Endocrine disruptors may cause early hair loss.
2 citations
,
December 1988 in “PubMed” C.I. Acid Orange 3 caused cancer in female rats but not in male rats or mice.
8 citations
,
January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
17 citations
,
May 2019 in “Molecules” These temporary hair dyes may be harmful to human health.
1 citations
,
January 2010 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Conditioners improved hair protein retention and combing ease, with some providing thermal protection.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye with Barleria prionitis is a safe, effective, and natural alternative to chemical dyes.
March 2026 in “International Journal of Science and Research Archive” Hair coloring in 2026 requires precise science and safe techniques.
13 citations
,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
25 citations
,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
6 citations
,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
3 citations
,
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.
31 citations
,
October 1992 in “Journal of Clinical Pharmacy and Therapeutics” Some medications can change hair color, especially chloroquine and cancer treatments.
May 2023 in “Sokoto journal of medical laboratory science” Commercial hair dyes can harm the skin and liver.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
9 citations
,
July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
July 2026 in “International Journal of Applied Pharmaceutics” Hair dyes, especially with PPD, can cause skin and rare systemic reactions, and safer alternatives are needed.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair dye is safer and effective compared to synthetic dyes.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair dye is safer and effective compared to synthetic dyes.
4 citations
,
November 2024 in “Materials” The film creates vibrant colors and can be used in food sensors and cosmetics.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair dye with Bhringraj is effective, safe, and eco-friendly.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal mehendi gel safely colors hair and nourishes the scalp.
January 2020 in “대한미용학회지” Permanent hair dye reduces sulfur content in both gray and black-brown hair.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair dye with Bhringraj is effective, safe, and eco-friendly.
5 citations
,
April 2018 in “Chem” Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.
2 citations
,
January 1999 in “Dermatology” 79 citations
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January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
August 2013 in “Toxicology letters”