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.
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.
18 citations
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January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
16 citations
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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.
14 citations
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February 1999 in “The BMJ” Cosmetic surgery is more popular and cost-effective, but outcomes depend on the surgeon's skill and all procedures have potential complications.
7 citations
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September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
5 citations
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February 2011 in “Expert Opinion on Drug Discovery” We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.
3 citations
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February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
2 citations
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June 2022 in “International Journal of Biomedicine” The review suggests a comprehensive approach to treat hirsutism, focusing on hair removal, medication, and managing emotional effects.
2 citations
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January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
1 citations
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May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
research Hair
January 2026 in “AAPS introductions in the pharmaceutical sciences”
January 2025 in “American Journal of Medical and Clinical Research & Reviews” Cosmetics can contain harmful chemicals that may cause health issues.
October 2024 in “Cosmetics” Afro-textured hair needs personalized care due to its unique genetic traits.
August 2024 in “Applied Sciences” Plant extracts may help prevent or reverse hair graying.
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.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
April 2023 in “Dermatologica Sinica” Sex hormones affect hair growth and loss, and treatments for related hair diseases include various medications, hair transplantation, and light therapy.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
February 2018 in “InTech eBooks” Diagnosing and treating PCOS is complex due to differing criteria and requires a team approach.
April 2017 in “Journal of Investigative Dermatology” Laser treatment may help with hair growth in some people with frontal fibrosing alopecia, but results vary and the exact way it works is unclear.
53 citations
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November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
May 2026 in “Archives of Dermatological Research” Vitamin E and gamma-oryzanol protect hair from UV damage.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
Nanocarriers with plant extracts show promise for safe and effective hair growth treatment.
53 citations
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July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
32 citations
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September 1989 in “Medical Clinics of North America” Skin problems are common in lupus, important for diagnosis, and can be triggered by sunlight.
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October 2018 in “Expert Opinion on Drug Safety” Consider benefits and risks of new alopecia treatments for safety.
15 citations
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August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.