A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
20 citations
,
December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
17 citations
,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
107 citations
,
October 2014 in “PeerJ” Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
86 citations
,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
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.
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.
20 citations
,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
17 citations
,
June 2014 in “Journal of Ultrasound in Medicine” Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
5 citations
,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
2 citations
,
May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
1 citations
,
July 2019 in “Microscopy Today” Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
1 citations
,
January 2018 in “Journal of microscopy and ultrastructure” The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
January 2019 in “Durham e-Theses (Durham University)” Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.
14 citations
,
March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
42 citations
,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
17 citations
,
January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
15 citations
,
July 2002 in “Clinical and Experimental Dermatology” Hair microscopy is useful for diagnosing certain hair loss conditions but has limitations and must be interpreted carefully.
11 citations
,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.