16 citations
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October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
November 2025 in “Indian Journal of Nephrology” Hair dye may trigger anti-GBM disease relapse, and rituximab can help manage it.
August 1985 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” Hair dye can damage dog hair and cause health issues.
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.
4 citations
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June 2020 in “JAAD case reports” Permanent hair dye may cause total hair loss.
The herbal hair dye using Platycladus orientalis effectively prevents hair loss, covers gray, and is gentle and safe for all ages.
April 2024 in “Pharmacognosy research” The herbal hair dye with natural ingredients like henna was successfully made and tested, but more research is needed on its effectiveness on different hair colors and benefits.
A new method was developed to gently isolate hair pigment while keeping its structure intact.
4 citations
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January 2007 in “Australian Veterinary Journal” A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.
3 citations
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September 2017 in “Pediatric Dermatology” Avoiding allergens can improve skin and hair conditions in adults with allergic reactions.
40 citations
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February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
July 2007 in “International Journal of Cosmetic Science” The new polymer improves dyed hair's color, moisture, shine, and smoothness.
5 citations
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July 2022 in “PubMed” Hair dyes, shampoos, and conditioners often cause scalp allergies due to common allergens like p-phenylenediamine and nickel.
January 2004 in “Side effects of drugs annual” Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.
1 citations
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December 2021 in “Annals of phytomedicine” The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
1 citations
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September 2008 in “International Journal of Cosmetic Science” Using chelants in hair dye reduces fiber damage by preventing harmful radicals.
2 citations
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September 2021 in “International Journal of Ayurvedic Medicine” Despite adverse effects, people continue using hair dyes for aesthetic reasons, highlighting the need for safer options.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
47 citations
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June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
1 citations
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October 2021 in “Indian Journal of Plastic Surgery/Indian journal of plastic surgery” Proper hair care and safe use of hair products are crucial for those with hair loss.
March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
17 citations
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May 2019 in “Molecules” These temporary hair dyes may be harmful to human health.
2 citations
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June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
9 citations
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July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
1 citations
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January 1997 in “Skin research” Hinokitiol and pantothenylethylether in hair products can cause strong allergic reactions.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
January 2006 in “Journal of Society of Cosmetic Chemists of Japan” The new hybrid polymer improves dyed hair's color, feel, and manageability.
Sea cucumber extract reduces hair loss and improves scalp health after dyeing.