85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
June 2023 in “Antioxidants” Lipids from Schizochytrium sp. help prevent hair loss by protecting hair cells from damage and promoting hair growth.
27 citations
,
May 2004 in “Journal of Investigative Dermatology” October 2025 in “International Journal of Cosmetic Science” Conditioners improve hair manageability but don't repair damage.
May 2015 in “Journal of Investigative Dermatology” Melanoma risk tools need improvement, a gene mutation causes a hair disorder that might be treated by managing cell stress, a potential therapy for a skin-ear disorder involves blocking cell channels, skin wrinkling may indicate lung aging regardless of smoking, and oxidative stress might contribute to common baldness.
April 2025 in “BMC Chemistry” Thiadiazole chitosan conjugates improve hair manageability, moisture, and protection in conditioners.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
7 citations
,
January 2020 in “Skin Pharmacology and Physiology” Standard nail varnish effectively prevents follicular penetration of certain substances.
Skin stem cells in hair follicles are important for touch sensation.
4 citations
,
October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
33 citations
,
September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
24 citations
,
August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
5 citations
,
June 2017 in “in Vivo” Vitamin C deficiency changes gene expression, affecting skin and hair health.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
46 citations
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September 2007 in “Journal of Investigative Dermatology” 11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
April 2024 in “The journal of investigative dermatology/Journal of investigative dermatology” ASH2L is essential for skin and hair development.
15 citations
,
January 2012 in “Journal of Veterinary Science” Different dog breeds have varying skin thickness and protein expression in their skin.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
28 citations
,
December 2010 in “Langmuir” Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
74 citations
,
November 2000 in “Archives of Dermatology” Salicylic acid can safely exfoliate and regenerate skin without causing inflammation.
11 citations
,
July 2022 in “International Journal of Molecular Sciences” Tight junctions help control skin shedding and may be targets for treating certain skin conditions.
January 2010 in “SÖFW-Journal” A natural moisturizer can make hair stronger.
38 citations
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February 1989 in “Journal of Investigative Dermatology” 42 citations
,
September 1990 in “Journal of Investigative Dermatology” Retinoids can help reduce keratin buildup in skin conditions.
32 citations
,
April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.