8 citations
,
February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
16 citations
,
May 2017 in “Journal of cosmetic dermatology” An unhealthy scalp can damage new hair, but using ZPT shampoo can improve hair health.
33 citations
,
April 2020 in “Dermatitis” Hair care products often cause contact dermatitis, especially in women and hairdressers.
4 citations
,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
99 citations
,
September 2007 in “The American journal of pathology” Chemotherapy damages hair follicles, causing hair loss and other cellular changes.
1 citations
,
April 2013 in “Pakistan Journal of Biological Sciences” Hair coloring, waving, and ironing cause more hair damage than not using these treatments.
4 citations
,
May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
May 2021 in “Zbalansovane prirodokoristuvannâ” Some shampoos have harmful ingredients that can cause health problems, but these are needed for the shampoos to work properly.
16 citations
,
November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
64 citations
,
April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels reflect nutritional status after standard washing.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
2 citations
,
January 2023 in “Dermatology practical & conceptual” COVID-19 diagnosis is linked to new or worsening hair diseases, with stress from the pandemic likely contributing.
Haircare products may expose users to harmful chemicals despite regulations.
8 citations
,
October 2021 in “Indian Journal of Plastic Surgery” COVID-19 may cause increased and quicker hair loss compared to other infections.
22 citations
,
November 2010 in “Toxicological & Environmental Chemistry Reviews” Smokers and people with dyed hair have higher levels of certain metals in their hair.
1 citations
,
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
2 citations
,
March 2021 in “CRC Press eBooks” Shampoos clean and improve hair, boosting confidence and quality of life.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
1 citations
,
January 2010 in “Biophysical journal” Hair fluorescence intensity can measure radiation exposure effectively.
14 citations
,
March 2007 in “Journal of burn care & research” Hair highlighting can cause serious scalp burns if not done carefully.
May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
May 2026 in “Frontiers in Endocrinology” Exposure to particulate matter worsens postpartum hair loss by affecting inflammation and cell death pathways.
34 citations
,
January 2012 in “Journal of Dermatological Science” Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
23 citations
,
May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
25 citations
,
May 2021 in “Journal of exposure science & environmental epidemiology/Journal of exposure science and environmental epidemiology” Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.
29 citations
,
December 1998 in “European Respiratory Journal” Hair bleach can make rabbit airways more sensitive.
August 1985 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” Hair dye can damage dog hair and cause health issues.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
September 2004 in “Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles)” Chronic hair diseases can severely impact mental health and self-confidence.