14 citations
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November 2012 in “SLAS discovery” Some herbal extracts can promote hair growth and prevent hair loss.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
12 citations
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February 2013 in “Journal of Cutaneous Pathology” The document concludes that choosing the right biopsy site is crucial for accurate alopecia diagnosis, and combining methods can improve results.
32 citations
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February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
14 citations
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December 2007 in “Pediatric allergy and immunology” Newborns with the common rash Erythema Toxicum have many active mast cells in their skin, but these cells don't produce the LL-37 peptide.
2 citations
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February 2014 in “Animal Biotechnology” The PTGER2 gene is highly active in Cashmere goat skin and its activity changes with the hair growth cycle.
September 2017 in “Journal of Investigative Dermatology” The Siah1 and Siah2 genes are active in mouse skin development and hair growth, especially right after birth.
120 citations
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November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
23 citations
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January 2018 in “Elsevier eBooks” Nanoemulsions improve stability and delivery of active ingredients in cosmetics for skin and hair care.
18 citations
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January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
12 citations
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July 2017 in “Journal of cosmetic dermatology” Infrared thermography, especially with dermoscopy, improves accuracy in diagnosing active hair loss due to inflammation.
237 citations
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February 2016 in “Science Translational Medicine” The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.
92 citations
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September 2015 in “Journal of Lipid Research” Skin fat helps with body temperature control and has other active roles in health.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
24 citations
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March 2009 in “Journal of the European Academy of Dermatology and Venereology” Scalp pain is a common symptom in people with active hair loss from telogen effluvium.
6 citations
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January 2010 in “Neoplasma” Certain gene patterns in breast cancer are linked to how active hormone receptors are and could affect patient survival.
September 2017 in “Journal of Investigative Dermatology” Thermal imaging is a useful non-invasive method to diagnose active inflammation in frontal fibrosing alopecia.
23 citations
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May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
18 citations
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March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
Hair transplants can cause hair loss if done while lichen planopilaris is active; wait until it's inactive for two years and check with a scalp biopsy first.
25 citations
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May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
13 citations
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December 2020 in “Dermatologic Therapy” Sebaceous glands in our skin, developing during pregnancy and active in puberty, produce sebum for skin lubrication, temperature control, and fighting germs, also help in hormone regulation, and their dysfunction can cause conditions like acne and hair loss.
13 citations
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October 2002 in “Journal of Biochemical and Biophysical Methods” Men with male-pattern baldness have higher levels of certain testosterone metabolites and may have more active androgen metabolism.
10 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth phase.
2 citations
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January 2013 in “Hair therapy & transplantation” Hair transplants can be a treatment for scarring hair loss if there's good blood flow and no active disease.
27 citations
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January 2018 in “Curēus” Subcutaneous contraceptives can cause side effects like menstrual changes, headaches, weight gain, and pain at the implant site.
132 citations
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July 2000 in “Lupus” In Italian patients with lupus, the most common skin issue was chronic cutaneous lupus, especially discoid lesions, and nonspecific skin problems occurred in about a third of those with systemic lupus, mainly during active disease.
11 citations
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October 2018 in “Hormone and Metabolic Research” Women with PCOS have similar bone density to healthy women, but those who are obese have higher bone density at some body sites.
13 citations
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February 2016 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Mice without active or present vitamin D receptors maintain normal blood sugar control and islet gene expression when calcium levels are normal.
29 citations
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November 1975 in “Clinics in endocrinology and metabolism” Testosterone is made by Leydig cells, is active when not bound to proteins, and works by binding to receptors in muscles and other tissues.