November 2025 in “Journal of Pharmacy and Pharmacology” PEDF reduces oxidative damage and supports stem cells.
Melatonin reduced oxidative damage, inflammation, and protected hair cells in scalded rats.
1 citations
,
June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
2 citations
,
May 2023 in “Plants” Allium hookeri extract may help promote hair growth and protect cells from damage.
April 2023 in “Research Square (Research Square)” Exosomes protect ear hair cells from damage by controlling cell waste removal, potentially helping treat hearing loss.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
January 2015 in “Springer eBooks” Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
1 citations
,
November 2025 in “Stem Cell Research & Therapy” Immortalized hair follicle cells could be useful for regenerative medicine and treating inflammation and oxidative stress.
36 citations
,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
21 citations
,
December 2023 in “Journal of Investigative Dermatology” Hair graying is caused by damage and cell depletion but might be temporarily reversible with drugs and hormones.
19 citations
,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
1 citations
,
January 2023 in “Frontiers in veterinary science” Activating autophagy in dogs with certain diseases improves their skin and hair.
1 citations
,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
May 2026 in “International Journal of Cosmetic Science” Ozonated water damages hair structure and proteins.
October 2025 in “International Journal of Cosmetic Science” Conditioners improve hair manageability but don't repair damage.
14 citations
,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
8 citations
,
June 2021 in “Frontiers in Bioengineering and Biotechnology” Extracts from Alnus sibirica and oregonin may help with hair growth and prevent hair loss.
102 citations
,
January 2003 in “Dermatology” Smoking may contribute to hair loss in men.
56 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
55 citations
,
March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
4 citations
,
July 2018 in “International Journal of Research -GRANTHAALAYAH” Antioxidants, like catalase, are crucial for keeping hair follicles alive.
3 citations
,
August 2018 in “Zenodo (CERN European Organization for Nuclear Research)” Antioxidants, like catalase, are crucial for keeping hair follicles alive.
March 2026 in “The Journal of Steroid Biochemistry and Molecular Biology” Deleting vitamin D and calcium receptors in skin cells increases skin cancer risk by reducing DNA repair and stress response.
January 2025 in “Exploratory Animal and Medical Research” Lithium carbonate and lead acetate together harm the heart more than individually.
November 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” Resveratrol may help promote hair growth and treat hair loss.
9 citations
,
January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
1 citations
,
August 2024 in “Polish Journal of Environmental Studies” Air pollution can damage hair and scalp, causing hair loss and inflammation.