August 1946 in “Journal of the American Medical Association” Companies agreed to stop false advertising about their products' health benefits.
December 2023 in “Dermatologic Surgery” The skin-responsive device improved beard and body hair transplant success and increased surgeons' willingness to perform the procedure.
September 2023 in “Clinical, cosmetic and investigational dermatology” A new surgical method using special sutures significantly reduced wound size and prevented disease return in patients with a scarring scalp condition.
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.
11 citations
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May 2020 in “Frontiers in psychiatry” Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.
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.
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.
January 2017 in “Springer eBooks” The document explains various skin conditions and their treatments.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
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 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.
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.
231 citations
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October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
53 citations
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November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
15 citations
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August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
7 citations
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January 2013 in “Journal of Cosmetics, Dermatological Sciences and Applications” Argan oil and cupuassu butter can protect hair after dyeing.
2 citations
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July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
September 2025 in “Journal of Surfactants and Detergents” Shampoos with sodium lauroyl methylaminopropionate improve hair lubrication and reduce irritation.