December 1990 in “Indian Journal of Dermatology Venereology and Leprology” Topical minoxidil and hair dye can improve hair density and appearance in congenital hypotrichosis.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
2 citations
,
November 2024 in “JAAD Case Reports” Anti-PD-L1 immunotherapy can cause hair loss and unexpected hair color change, but treatment can restore hair growth and color.
44 citations
,
July 1993 in “Journal of Investigative Dermatology” 10 citations
,
July 2021 in “Clinical Cosmetic and Investigational Dermatology” Combining transverse needling with mini-punch grafts improves vitiligo repigmentation effectively.
2 citations
,
August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
4 citations
,
August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
Hedgehog signaling can create new hair follicles but may also cause tumors.
January 2026 in “Frontiers in Medicine” PP-PTKL may help treat hair greying, but more testing is needed.
A man's scalp hair loss was due to a combined melanocytic nevus and alopecia areata, suggesting a possible link between the two conditions.
Retinoids or their analogs could treat skin pigmentation disorders like melasma and vitiligo.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy”
August 2016 in “Journal of the Portuguese Society of Dermatology and Venereology” Two women with darker skin had both frontal hair thinning and skin discoloration.
25 citations
,
April 2008 in “Clinical and experimental dermatology” EFFC might be common but underreported.
May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
27 citations
,
December 2005 in “Journal of Cutaneous Pathology” The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
5 citations
,
September 1991 in “Veterinary dermatology” Pygmy goats with seborrhoeic dermatitis showed skin symptoms and temporary improvement with corticosteroids, but the cause and inheritance of the disease remain unknown.
29 citations
,
June 1998 in “Developmental Biology” More melanoblasts in hair follicles mean better survival and proper hair pigmentation.
44 citations
,
April 1979 in “Journal of Ultrastructure Research” 20 citations
,
April 2019 in “BioMed Research International” Treatments with sunscreen and active ingredients can reduce skin hyperpigmentation by decreasing DNA methylation.
September 1997 in “Clinical and Experimental Dermatology”
25 citations
,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
1 citations
,
January 2017 in “International Journal of Trichology” A new mutation caused a rare hair disorder in a Polish girl, not inherited from her family.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
February 2026 in “Pediatric Dermatology”