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.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
195 citations,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
September 2024 in “Journal of Clinical Medicine” Permanent makeup can cause delayed allergic reactions, but they can be managed with proper treatment.
10 citations,
March 2005 in “International Journal of Cosmetic Science” Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
3 citations,
June 1981 in “PubMed” Taking hormonal contraceptives can cause skin changes, including hair loss, due to the effects of synthetic sex hormones.
12 citations,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
45 citations,
August 2019 in “Dermatologic Therapy” Hair loss treatments work better with lifestyle changes.
PCOS patients, especially obese ones, often lack vitamin D and may need supplements and lifestyle changes.
73 citations,
April 1999 in “Dermatologic Clinics” Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.
44 citations,
January 2002 in “American Journal of Clinical Dermatology” Skin reactions to antidepressants are common but usually not serious and can be treated.
April 2018 in “Journal of Investigative Dermatology” Activating Nrf2 helps wounds heal faster by increasing hair follicle stem cells.
15 citations,
May 2017 in “Lasers in Medical Science” Low-level laser treatment helps mice grow hair by increasing certain protein levels linked to hair growth.
12 citations,
November 1970 in “Postgraduate Medical Journal” Some skin diseases and anaemia are related, and treating the skin condition can often improve the anaemia.
11 citations,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
2 citations,
November 2018 in “International Journal of Cosmetic Science” Chamomile extract can protect hair from damage caused by light.
77 citations,
July 2020 in “Journal of the European Academy of Dermatology and Venereology” Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.
59 citations,
November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
April 2021 in “Arab Journal of Nuclear Sciences and Applications/Arab Journal of Nuclear Sciences and Applications ” Repeated use of protein hair conditioner with heat or gamma irradiation can harm skin and hair health in rats.
12 citations,
June 2003 in “Journal of the European Academy of Dermatology and Venereology” Some psychoactive drugs can cause skin reactions, with carbamazepine having a higher risk, and stopping the drug and seeing a dermatologist is important.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
3 citations,
May 2009 in “International Journal of Cosmetic Science” Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.
48 citations,
January 2015 in “Indian Journal of Dermatology, Venereology and Leprology” Vitamin D is important for skin health and can help treat psoriasis, atopic dermatitis, and vitiligo.
7 citations,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
10 citations,
September 2022 in “Journal of Biophotonics” Blue light therapy is safe for skin and may protect against UV radiation.