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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
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January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
60 citations
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November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
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April 1998 in “Journal of biological chemistry/The Journal of biological chemistry” CYP2B12 enzyme in skin cells converts arachidonic acid into specific bioactive lipids.
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June 1987 in “Archives of Dermatological Research” EGF and FGF boost hair cell growth, hydrocortisone slows it, and minoxidil doesn't affect it.
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March 2006 in “Regulatory Peptides” Mice skin has components that could help with hair growth and might be used for diabetes treatment.
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January 1981 in “Pharmacology & Therapeutics” Oral retinoids are effective for treating severe skin disorders but have reversible side effects and risks for pregnant women.
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March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
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December 2015 in “European Journal of Human Genetics” A rare ITGB6 gene variant causes intellectual disability, hair loss, and dental issues.
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
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February 2018 in “Archives of Pharmacal Research” Finasteride reduces melanin production, possibly treating hyperpigmentation and melanoma, but needs more safety research.
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December 2021 in “Military Medical Science Letters” Nanoemulgel is a promising method for delivering drugs, especially for those that don't dissolve well in water.
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September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
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January 2013 Hyperadrenocorticism in ferrets is linked to neutering and indoor housing, and is best treated with surgery and a deslorelin implant.
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November 2007 in “British Journal of Dermatology” Fulvestrant solution doesn't help hair loss in men and postmenopausal women.
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July 1990 in “The Journal of Pediatrics” A boy with toxic shock syndrome had severe heart rhythm problems but recovered with treatment.
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August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
January 2026 in “BioScience Trends” UV radiation causes skin aging by damaging cells and triggering harmful processes.
December 2022 in “Journal of Tropical Pharmacy and Chemistry” The hair tonic made from oil palm leaf extract is very effective in preventing hair damage from the sun.
January 2017 in “Springer eBooks” The document explains various skin conditions and their treatments.
August 1994 in “Molecular Endocrinology” Changing protein kinase levels in pituitary cells affects calcium flow and beta-endorphin release.
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February 2015 in “Phytochemistry Reviews” Southeast Asian herbs show promise for skin and hair care, but more research is needed to confirm their effectiveness in cosmetics.
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
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April 1988 in “Archives of Dermatological Research” 19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
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March 1996 in “Experimental Brain Research” January 2022 in “Stem cell biology and regenerative medicine” iPSCs could help develop treatments for hair loss.
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August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
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September 2003 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Epitestosterone may counteract testosterone's effects and has roles in body processes like prostate growth and hair distribution.