A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
January 2018 in “Acta dermato-venereologica” March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
January 1997 in “Journal of agricultural medicine and community health” Lower zinc and copper and higher cadmium in hair may be linked to non-insulin dependent diabetes.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
16 citations
,
November 2005 in “Journal of Clinical Pathology” CD1d expression in scalp skin and hair follicles changes with the hair cycle and may help protect against microbes.
9 citations
,
March 2017 in “JAAD Case Reports” A woman's scalp condition improved with specific ointment after a hair piece caused skin issues.
2 citations
,
September 2019 in “Dermatologic Surgery” The two-step procedure of fat grafting followed by hair grafting improves scalp and facial scar correction.
2 citations
,
August 2012 in “Aesthetic Plastic Surgery” The letter argues that blaming synthetic hair implants for scalp cancer based on one report is biased and possibly coincidental.
February 2025 in “Cureus” Hair transplants can rarely cause scalp inflammation leading to hair loss, needing early detection and treatment.
October 2024 in “TURKDERM” Hair transplantation can lead to rare scalp complications, requiring careful follow-up and treatment.
20 citations
,
June 2011 in “ISRN Dermatology (Print)” A woman lost most of her hair due to an allergic reaction to a hair dye ingredient.
10 citations
,
January 2007 in “Dermatologic Surgery” Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.
5 citations
,
August 2016 in “International Journal of Cosmetic Science” Shampoo coacervates can cause scalp irritation due to released surfactants.
5 citations
,
February 2012 in “Aesthetic Plastic Surgery” A man developed skin cancer on his scalp after multiple artificial hair grafts.
1 citations
,
October 2021 in “Indian Journal of Plastic Surgery” Hair transplant surgeons need to recognize different scalp conditions that look like common hair loss to choose the right treatment and avoid mistakes.
February 2013 in “Journal of the American Academy of Dermatology” The zinc pyrithione hair care system improves scalp hydration and reduces water loss.
May 2016 in “Hair transplant forum international”
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed for hair growth.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed for hair growth.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed to grow hair.
January 2007 in “Dermatologic Surgery” Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.
4 citations
,
August 2023 in “Journal of Investigative Dermatology” Certain genes influence the direction of hair whorls on the scalp.
May 2022 in “Dermatologic Surgery” Hair restoration surgery has a growing risk of hair loss over time.
304 citations
,
July 2006 in “Journal of The American Academy of Dermatology” Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.
137 citations
,
July 2004 in “Journal of The American Academy of Dermatology” Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.
37 citations
,
May 2016 in “Deutsches Arzteblatt International” Hair loss requires customized treatments based on its various causes and types.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
14 citations
,
December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
11 citations
,
February 2019 in “Stem cells international” Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.