63 citations
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February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
May 2024 in “Nano letters” Polydopamine and quercetin together can speed up hair regrowth.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
21 citations
,
October 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.
4 citations
,
June 2020 in “JAAD case reports” Permanent hair dye may cause total hair loss.
December 2025 in “Journal of Pharma Insights and Research.” The shampoo naturally colors and conditions hair safely without toxic chemicals.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Polyherbal hair dyes are safer and more eco-friendly than chemical 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.
4 citations
,
January 2024 in “Allergy” Everyone has an immune response to PPD, but reactions differ, causing tolerance, mild inflammation, or allergy.
Diphenyl cresyl phosphate has low toxicity but can harm the liver, kidneys, adrenal glands, and testicles at high doses.
86 citations
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July 2012 in “British journal of dermatology/British journal of dermatology, Supplement” There may be a connection between Frontal Fibrosing Alopecia and Lichen Planus Pigmentosus, and more research is needed to confirm this.
9 citations
,
January 2010 The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
December 2025 in “Applied and Computational Engineering” Hair dyes can be harmful, but risks vary by person and can be reduced.
Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
July 2016 in “Australasian Journal of Dermatology” The journal covered various dermatology topics, including treatments, disease management, and research findings.
19 citations
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October 2015 in “British Journal of Dermatology” Diphenylcyclopropenone's effectiveness and safety for alopecia areata are unclear.
349 citations
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January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
193 citations
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January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
84 citations
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July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
48 citations
,
October 2011 in “Sports Medicine” Ice-skating athletes often have skin problems due to cold, infections, and inflammation, needing careful treatment and prevention.
40 citations
,
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.
38 citations
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June 2018 in “Archives of Toxicology” Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.
35 citations
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April 2006 in “Ocular Surface” Cosmetics and procedures can cause eye issues, from mild discomfort to serious conditions, due to allergies, toxins, or poor care.
19 citations
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January 2012 in “Annals of Dermatology” People need more information about hair dye ingredients and side effects.
16 citations
,
December 2016 in “Skin appendage disorders” Nickel, cobalt, balsam of Peru, fragrance mix, carba mix, and propylene glycol are common allergens causing scalp contact dermatitis.
11 citations
,
October 2020 in “Plant biotechnology journal” Overexpressing SIMK in alfalfa boosts root hair growth, nodule clustering, and shoot biomass.
9 citations
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March 1968 in “The BMJ” A woman's severe skin reaction was caused by an allergy to a skin treatment.
6 citations
,
December 2018 in “Medical principles and practice” Using hair dye may slightly increase the risk of non-Hodgkin's lymphoma, especially with long-term use.
4 citations
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March 2020 in “Cutaneous and ocular toxicology” Wen by Chaz Dean Sweet Almond Mint Cleansing Conditioner is better tolerated than salicylic acid and baby shampoos.
3 citations
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May 2020 in “Annals of the Academy of Medicine Singapore” Hair dye can cause serious scalp issues, including skull erosion.