21 citations
,
October 2006 in “International Journal of Dermatology” Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.
11 citations
,
January 2013 in “Indian Dermatology Online Journal” CCCA is a common, progressive hair loss condition that may not always be linked to hair care practices and requires a biopsy for diagnosis.
4 citations
,
January 2025 in “The Journal of Cell Biology” Ceramide Synthase 4 is crucial for maintaining hair follicle stem cells and preventing hair loss.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
95 citations
,
October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
September 2021 in “CRC Press eBooks” CCCA is a common hair loss condition in African American women, often inherited and influenced by hairstyling, with unique scalp features detectable by special tools.
10 citations
,
November 2019 in “Journal of the European Academy of Dermatology and Venereology” The RAS pathway affects hair growth differently in CFCS and CS.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” CTCF protein is essential for skin and hair follicle development in mice.
4 citations
,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” CCL5 is important for the hair growth potential of human dermal papilla cells.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
254 citations
,
January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
6 citations
,
October 1989 in “PubMed” Optimized conditions and specific treatments enhance the growth of hair cells from C3H mice.
75 citations
,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair follicles have a unique way of using energy and might use the Cori cycle; blocking CCR5 could help treat hair loss.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
February 2024 in “Scientific Reports” Cinnamic acid may help hair grow by activating oxytocin receptors.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
15 citations
,
January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
12 citations
,
November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
72 citations
,
July 2008 in “Dermatologic Therapy” CCCA is a scarring hair loss condition mainly in African descent women, possibly caused by genetics and hairstyling, treated with gentle hair care and medications.
64 citations
,
June 2014 in “Journal of The American Academy of Dermatology” Researchers found a white halo around hair in most patients with a specific type of hair loss, which helps in early diagnosis and treatment.