Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Ezh2 controls skin development by balancing signals for dermal and epidermal growth.
January 2020 in “International journal of current research and review” Exposure to plastics may increase the risk of irregular menstrual cycles and symptoms of hormone imbalance in teenage girls.
May 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Targeting cholesterol, fatty acids, fibrosis, and mast cells may help treat CCCA.
April 2019 in “Journal of Investigative Dermatology” Non-coding RNA boosts retinoic acid production and signaling, aiding regeneration.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
152 citations,
February 2004 in “Current anthropology” Humans lost body hair relatively recently in evolution.
22 citations,
December 2008 in “International Journal of Dermatology” A mix of 5-aminolevulinic acid and iron ion can speed up hair growth.
18 citations,
October 2018 in “Journal of The American Academy of Dermatology” Some skin medications can harm male fertility, but they don't seem to cause birth defects from father's exposure.
12 citations,
January 2007 in “Acta dermato-venereologica” Europe needs a clear system to watch over cosmetics for safety and to make sure product claims are true.
11 citations,
April 2013 in “Ocular Surface” The document concludes that modern ocular cosmetics enhance beauty and eyelash health, with safe practices and regulations being important.
9 citations,
April 2016 in “Cutaneous and ocular toxicology” Alpha Lipoic Acid helps protect skin from smoking damage.
8 citations,
December 2011 in “Journal of Medicinal Food” D-004 may be a natural alternative to finasteride for treating enlarged prostate and male baldness.
3 citations,
September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
2 citations,
November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
63 citations,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
14 citations,
January 2014 in “Cells Tissues Organs” Ionizing radiation causes irreversible skin damage, with single doses leading to acute injury and hair graying, and fractional doses causing more severe long-term tissue damage.
12 citations,
October 2017 in “Radiation Research” mTORC1 signaling needed for quick hair follicle recovery after radiation damage.
10 citations,
May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
3 citations,
March 1932 in “Journal of the American Medical Association” Radium exposure causes severe health issues, so strict safety measures are essential.
10 citations,
February 2019 in “Toxicological Sciences” Finasteride exposure affects gene expression and anogenital distance in male rat fetuses.
1 citations,
September 2007 in “European journal of paediatric neurology” Low dose valproic acid treatment caused hair loss in a young patient.
July 1976 in “Archives of Dermatology” Sun exposure and corticosteroid use are linked to a skin condition, aseptic necrosis can happen with different wart treatments, and hair loss might be caused by hormone injections and dieting.
96 citations,
November 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
8 citations,
May 2014 in “American Journal of Pathology” Damaged hair follicles make mice more prone to skin inflammation and skin cancer after UV exposure.
6 citations,
November 1988 in “Journal of the American Academy of Dermatology” The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.
1 citations,
January 2015 in “Journal of Pigmentary Disorders” Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.
September 1999 in “The Journal of The British Menopause Society” The document concludes that skin aging in women can be caused by UV exposure and hormonal changes, and treatments like hormone replacement therapy and various skin therapies can help.
253 citations,
May 2006 in “The Journal of Clinical Endocrinology and Metabolism” Exposure to too much androgen before birth might cause polycystic ovary syndrome later in life.
30 citations,
December 2015 in “Journal of Ethnopharmacology” Herbal compounds like ricinoleic acid, quercetin-3-O-rutinoside, and hinokiflavone may be safe and effective for treating hair loss.