45 citations
,
February 2002 in “International Journal of Cosmetic Science” Ceramide helps protect African–American hair from breakage.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
10 citations
,
January 2004 in “Dermatologic Surgery” Storing hair follicles in special buffers with added protective substances can increase hair growth and reduce cell death.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
September 2021 in “Kazanskij medicinskij žurnal” Electrical and chemical skin stimulation can improve hair growth.
20 citations
,
July 2006 in “Annals of Anatomy - Anatomischer Anzeiger” The 15th-century Korean mummy's hair was well-preserved due to a protective lime-soil coating.
9 citations
,
July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.
21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
1 citations
,
January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
January 2024 in “International Journal of Advanced Research” Topical 6% salicylic acid effectively reduced skin plaques in a patient with wooly hair and palmoplantar keratoderma.
Prussian Blue causes hair cuticles to detach, weakening the hair.
35 citations
,
May 2011 in “Experimental Dermatology” Aging causes changes in hair follicles, leading to weaker hair growth.
1 citations
,
January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
71 citations
,
June 1993 in “Journal of Investigative Dermatology”
13 citations
,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
36 citations
,
July 2019 in “Journal of Materials Science Materials in Medicine” Human hair keratin helps repair nerve damage in rats.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
1 citations
,
August 2014 in “OhioLink ETD Center (Ohio Library and Information Network)” Alkylated keratin from human hair can help deliver growth factors for bone healing.
January 2011 in “Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano)” New molecules can prevent cell death in hair follicles.
November 2005 in “Nature Reviews Molecular Cell Biology” The protein hairless is important for hair regrowth because it stops the protein wise from blocking the hair cycle.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
April 1996 in “Journal of Dermatological Science” 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
,
January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
12 citations
,
May 2003 in “Journal of dermatological science” Hsc70 protein may influence hair growth by responding to androgens.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
49 citations
,
September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.