66 citations
,
February 1985 in “Archives of dermatological research” Hair dyes penetrate the scalp very minimally, less than 1%.
44 citations
,
April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
21 citations
,
November 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
12 citations
,
February 2018 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
8 citations
,
September 2004 in “Contact dermatitis” Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.
1 citations
,
January 2016 in “Springer briefs in molecular science” Natural plant-based substances can be used as effective hair dyes.
May 2023 in “Sokoto journal of medical laboratory science” Commercial hair dyes can harm the skin and liver.
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.
August 2013 in “Toxicology letters” 25 citations
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June 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
21 citations
,
January 1995 in “Journal of the American Institute for Conservation” A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.
13 citations
,
January 1995 in “Journal of the American Institute for Conservation” Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.
1 citations
,
July 2016 in “Cosmetics” Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
1 citations
,
May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
13 citations
,
June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
September 2020 in “Benha Journal of Applied Sciences” Protein hair straighteners damage the hair more than hair dyes.
9 citations
,
January 2010 The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
April 2024 in “Curēus” Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
June 2021 in “Journal of emerging technologies and innovative research” Onion and Aloe vera can help protect hair from damage caused by hair dyes.
5 citations
,
April 2018 in “Chem” Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.
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.
July 2003 in “Journal of Cutaneous Medicine and Surgery” Various skin conditions like cutaneous lupus erythematosus, psoriasis, and basal cell carcinoma can be effectively treated with antihypertensive agents, NB-UVB phototherapy, and imiquimod cream respectively. Vaccines are effective against genital herpes and HPV-16 infection. Early intervention is crucial for conditions like diabetic foot ulcers and neonatal herpes. Certain dyes can cause hand dermatitis, and there's a link between smoking/drinking and psoriasis in men. No direct link was found between low iron levels and chronic hair loss in women.
4 citations
,
January 2016 in “Skin research and technology” Oxidative hair dye changes hair color and structure but doesn't weaken it.
6 citations
,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
3 citations
,
January 2006 in “Eclética Química” Three cost-effective methods accurately measure finasteride in pharmaceuticals, better than current techniques.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
193 citations
,
January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.