January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
17 citations
,
February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
A new genetic mutation was found causing hair and eye issues in a boy.
1 citations
,
June 2014 in “International Journal of Dermatology” Pregnancy can trigger follicular mucinosis, which may resolve after delivery.
23 citations
,
March 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.
March 2021 in “Revista da Associação Médica Brasileira” August 2020 in “SKIN The Journal of Cutaneous Medicine” Cetuximab can cause skin cysts after acne-like eruptions.
23 citations
,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
3 citations
,
January 2021 in “Skin appendage disorders” Hair color is not a risk factor for developing alopecia areata.
8 citations
,
March 2019 in “Journal of Biomedical Materials Research Part A” Sulfated hyaluronan in collagen helps hair follicle cells grow and develop better for skin grafts.
25 citations
,
June 2015 in “Clinical, Cosmetic and Investigational Dermatology” Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.
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.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
February 2022 in “Brazilian Journal of Health Review” Most cases were lichen planus pigmentosus, highlighting the need for accurate diagnosis for proper treatment.
5 citations
,
March 2023 in “Journal of the American Academy of Dermatology” Prurigo pigmentosa mainly affects middle-aged White and Asian women, often linked to a ketogenic diet, and is best treated with oral antibiotics.
4 citations
,
January 2015 in “Dermatology Online Journal” Smoking can cause yellowing of upper lip hair.
1 citations
,
August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
23 citations
,
July 2016 in “JAMA Ophthalmology” CDH3-related disease causes worsening eye and hair issues.
10 citations
,
June 2024 in “American Journal of Clinical Dermatology” Hedgehog pathway inhibitors for advanced basal cell carcinoma can cause side effects, but managing them helps maintain treatment.
November 2025 in “Allergologia et Immunopathologia” A bee sting caused total hair loss in a rare case.
7 citations
,
June 2019 in “Australasian Journal of Dermatology” Elderly men with a scalp condition healed in about 26 days using specific creams and dressings, with no return of the condition in 6 months.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
7 citations
,
March 1993 in “International Journal of Oncology” Basal cell carcinoma shows keratin patterns similar to hair follicle structures.
1 citations
,
January 2014 in “Elsevier eBooks” Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
87 citations
,
March 2000 in “American Journal of Clinical Dermatology” Alpha-hydroxy acids, like glycolic acid, safely improve skin issues and work on all skin types.
1 citations
,
September 2015 in “Serbian Journal of Dermatology and Venereology/Serbian Journal of Dermatology and Venerology” A 19-year-old male had two rare skin conditions causing scarring and permanent hair loss.
December 2025 in “Pomeranian Journal of Life Sciences” A miner developed extra shoulder hair due to long-term work pressure and inflammation.
1 citations
,
February 2017 in “The American journal of dermatopathology/American journal of dermatopathology” A man with a skin nodule was diagnosed with a rare skin condition called cutaneous focal mucinosis, which can be confused with other skin cancers.
19 citations
,
May 2007 in “Dermatologic therapy” The document concludes that various treatments, including laser therapy, are effective for managing pseudofolliculitis barbae, especially in darker skin types.
May 2004 in “International Journal of Cosmetic Science” Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.