21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
December 1991 in “Annals of the New York Academy of Sciences” Keratin proteins are crucial for hair structure and strength.
43 citations
,
August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
2 citations
,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
126 citations
,
January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
New methods to classify curly hair types were developed based on shape and strength.
September 2023 in “Journal of Natural Fibers” Drying hair with a microfiber towel better maintains hair strength and structure than using a cotton towel or blow-drier.
13 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
January 2023 in “Advances in pharmacology and clinical trials” Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.
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.
96 citations
,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
2 citations
,
January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
1 citations
,
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
Good nutrition may help prevent premature hair graying.
22 citations
,
January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
205 citations
,
April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
1 citations
,
September 2025 in “Frontiers in Veterinary Science” Ganxi goats' skin and hair adapt to heat and humidity, possibly aided by GSDMA protein.
2 citations
,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
66 citations
,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
3 citations
,
March 2024 in “Discover Applied Sciences” Spirulina proteins can improve hair smoothness and strength in hair care products.
1 citations
,
May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
1 citations
,
January 2017 in “Springer eBooks” The document explains how hair follicles develop, their structure, and how they grow.
March 2015 in “Plastic and reconstructive surgery” Human skin has multiple layers and functions, with key roles in protection, temperature control, and appearance.