November 2022 in “International Journal of Trichology” Older people often experience changes and problems with their hair.
54 citations
,
September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
7 citations
,
August 2023 in “Ageing Research Reviews” More research is needed to understand hair aging and develop effective treatments.
93 citations
,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
3 citations
,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
April 2022 in “Dermato Mag” Triphasic Progressive is more effective against hair loss.
Hair can naturally regain color, and stress might influence greying and its reversal.
13 citations
,
January 2007 in “Epilepsia” Valproic acid can cause reversible hair curling and persistent hair thinning.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
4 citations
,
November 2024 in “Scientific Reports” 16-MHA can restore damaged hair's protective barrier and moisture balance.
4 citations
,
October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
2 citations
,
June 2020 in “Journal of Drug Delivery and Therapeutics” The document concludes that understanding hair problems can lead to cost-effective solutions and proper treatment choices.
2 citations
,
January 2000 in “Elsevier eBooks” 3 citations
,
January 2010 February 1988 in “Journal of the American Academy of Dermatology”
12 citations
,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
13 citations
,
September 2017 in “Journal of Dermatological Science” Hydrogen peroxide in hair dye can cause hair loss.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
Using silicon circular iron on Korean women's hair increases hair thickness the most.
1 citations
,
August 2022 in “Chemical engineering journal advances” Scientists made human hair magnetic by coating it with special nanoparticles.
6 citations
,
June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
4 citations
,
June 1983 in “The Journal of dermatologic surgery and oncology” Synthetic fiber hair implants often cause complications and are not very successful.
29 citations
,
April 2011 in “Journal of Microscopy” The modified osmium method improves hair cortex staining for better visualization.
47 citations
,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.