July 1996 in “Hair transplant forum international” Using tretinoin and hydroquinone can speed up the fading of skin pigmentation.
2 citations
,
May 2022 in “International Journal of Trichology” Brazilian Keratin Treatment can cause skin reactions like redness and scaling, possibly due to formaldehyde.
December 2019 in “Journal of pediatrics & neonatology” A 13-year-old boy had a rare, stable type of hair loss with little chance of regrowth, but treatment is available for looks.
March 2026 in “Journal of Investigative Dermatology” March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
21 citations
,
January 2005 in “Pediatric Dermatology” An 8-year-old girl with vitiligo developed extra hair growth on her knee after using tacrolimus ointment.
August 2017 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Melatonin supplementation may lower skin temperature in unshaved areas of pregnant beef cattle.
86 citations
,
August 2011 in “Toxicological sciences” TCDD speeds up skin barrier formation by increasing certain gene expressions.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
September 2023 in “Journal of the American Academy of Dermatology” Red tattoo ink may cause skin growths, needing careful monitoring.
23 citations
,
October 2008 in “Experimental and Clinical Endocrinology & Diabetes” Hair can show increased cortisol levels during late pregnancy.
9 citations
,
November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
1 citations
,
January 2016 in “Dermatology Online Journal” Triangular temporal alopecia can occur in adults and should be correctly identified to prevent misdiagnosis.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
28 citations
,
January 2003 in “Skin pharmacology and physiology” Melatonin affects skin cell growth differently based on how much and how long it's used.
Glycosylated keratin levels in hair can help identify the onset of insulin-dependent diabetes.
January 2022 in “Skin appendage disorders” A woman with alopecia totalis regrew dark hair in bands after using a corticosteroid ointment.
87 citations
,
November 2002 in “Journal of Investigative Dermatology”
49 citations
,
July 2019 in “British Journal of Dermatology” Wnt signaling is important for the change from the resting phase to the growth phase in human hair cycles.
11 citations
,
June 2005 in “Postgraduate Medical Journal” Some infants temporarily grow scrotal hair, which usually disappears on its own without any health issues.
10 citations
,
January 2011 in “Case reports in dermatological medicine” Hair transplant surgery effectively treated a specific type of hair loss and is recommended as a primary treatment option.
2 citations
,
December 2018 in “International Journal of Dermatology” New grading scale accurately measures hair loss severity and treatment effectiveness.
2 citations
,
December 2022 in “Scientific Data” The study maps how genes are regulated during mouse hair growth.
August 2010 in “Journal of Investigative Dermatology” New hair regrowth model introduced, imiquimod kills skin cancer cells, T-cadherin loss makes skin cancer more invasive, no strong link between PTCH1 gene and skin cancer after transplant, and male teens more likely to have hereditary hair loss.
16 citations
,
February 2007 in “Plastic and Reconstructive Surgery” Keratinocytes show more TGF-β system activity and collagen production as they age, which might affect wound scarring.
71 citations
,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
2 citations
,
March 1942 in “JAMA”
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
April 2021 in “Journal of Investigative Dermatology” A trial showed that a new treatment is safe and effective for male pattern baldness, with most participants growing new hair.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Tfap2b is essential for creating a type of stem cell in zebrafish that can become different pigment cells.