23 citations
,
April 2002 in “Journal of the American Academy of Dermatology” Depigmented hair regrowth after alopecia areata can be permanent.
Hair loss can make people feel less attractive and confident, leading them to try many treatments.
16 citations
,
November 2003 in “Journal of the American Academy of Dermatology” Iron therapy cured the boy's hair color issue.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
2 citations
,
August 1994 in “Archives of dermatology” A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.
November 2010 in “SciVee”
5 citations
,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
Hair loss causes significant psychological distress.
September 2017 in “Journal of Investigative Dermatology” Ceramide may help delay hair aging by restoring stressed hair cells.
March 2019 in “International Journal of Dermatology” Hairline recession makes Asian males look older, especially in mid-young age; proper hairline position can help them look younger.
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 2008 in “Journal of The American Academy of Dermatology” Hair loss affects 20% of people, more in men and those over 35, and is often associated with a sensitive scalp.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
July 2012 in “British Journal of Dermatology” Women generally want more hair volume, which becomes a concern around menopause due to hair loss.
8 citations
,
April 2017 in “Journal of Dermatological Science” Hair loss is caused by the breakdown of a protein called COL17A1 in hair follicle stem cells.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
2 citations
,
December 2013 in “Journal of Cosmetic Dermatology” UV treatment can damage hair, so protection is advised.
24 citations
,
April 2016 in “Experimental Dermatology” Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.
41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
4 citations
,
April 2013 in “Actas Dermo-Sifiliográficas” Most Spanish Caucasian women have a widow's peak, and their hormone levels suggest they process certain hormones faster.
5 citations
,
October 2018 September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
1 citations
,
September 2016 in “British Journal of Dermatology” Women with aging signs and heart issues have higher hair loss risk, which may predict shorter lifespan and affect attractiveness.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
Hydrophobic modifications make human hair less affected by water.