January 2006 in “Yearbook of Dermatology and Dermatologic Surgery” Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.
4 citations
,
May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
April 2023 in “Journal of Investigative Dermatology” Proper cell death regulation is crucial for normal hair follicle regeneration and skin remodeling.
March 2024 in “CRC Press eBooks” Telogen effluvium is a type of hair loss where more hair than normal falls out after stress or illness.
September 2021 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” Tetrathelmis tetrathele extract may help prevent hair loss and improve scalp health.
7 citations
,
May 2021 in “Applied sciences” Proteins like BSA and keratin can effectively style hair and protect it, offering eco-friendly alternatives to chemical products.
July 1990 in “British Journal of Dermatology”
13 citations
,
January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
63 citations
,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
8 citations
,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
4 citations
,
January 2017 in “International journal of trichology” Castor oil can cause severe hair matting.
July 2025 in “Scientific Reports” Fermented grapeseed oil effectively repairs and protects chemically damaged hair.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
3 citations
,
December 1956 in “PubMed” June 2025 in “Clinical and Experimental Dermatology” A 76-year-old man's grey hair turned back to its original color after radiotherapy.
25 citations
,
January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
38 citations
,
July 1993 in “Journal of Investigative Dermatology”
3 citations
,
April 2016 in “Journal of The American Academy of Dermatology” Hair loss was treated successfully with a special type of laser.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” The case suggests that dissecting cellulitis of the scalp can occur in a White child and should be considered when diagnosing pediatric scarring alopecia.
1 citations
,
October 2022 in “JCI insight” Deleting the BRD4 protein in certain skin cells causes hair loss and skin inflammation.
23 citations
,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
3 citations
,
January 2010 December 2010 in “SciVee”
1 citations
,
January 2024 in “Scientific reports (Nature Publishing Group)” Human hair was used to make biodegradable plastic films that could be useful for packaging and disposable products.
5 citations
,
January 2004 in “Journal of applied polymer science” Urea helps hair dye penetrate better and last longer.
1 citations
,
June 2011 in “Journal of Dermatological Case Reports” Shaving and applying erythromycin cream and clotrimazole powder effectively treated trichomycosis axillaris.
55 citations
,
March 2007 in “Journal of cosmetic dermatology” Afro-ethnic hair can be straightened using chemical and heat methods.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.