January 2013 in “Journal of dermatology” A new medical syndrome may include skin changes, hair loss, sweating issues, bone malformations, leg swelling, and low cortisol.
114 citations
,
April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
31 citations
,
February 1999 in “Dermatologic surgery” Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.
1 citations
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April 2016 in “The American Journal of the Medical Sciences” The document concludes that doctors should check for frontal fibrosing alopecia in patients with acquired hyperpigmentation and that early treatment is important.
August 2025 in “Journal of Cosmetic Dermatology” Topical treatments and lasers can improve axillary hyperpigmentation, but no best method is established yet.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
16 citations
,
February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
16 citations
,
January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
12 citations
,
January 2021 in “Dermatology Research and Practice” The 1927 nm Thulium laser effectively and safely treats postinflammatory hyperpigmentation in darker skin tones.
9 citations
,
June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
4 citations
,
October 2019 in “Skin Appendage Disorders” Gefitinib can cause hair and eyebrow darkening.
2 citations
,
January 2023 in “Dermatologic Therapy” CEFFE injections effectively and safely improve postinflammatory hyperpigmentation.
2 citations
,
October 2021 in “Clinical and experimental dermatology” Cyperus rotundus essential oil effectively treats underarm darkening, reduces inflammation, and slows hair growth.
March 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Facial hyperpigmentation improved with oral isotretinoin and ivermectin cream after Demodex mites were identified as the cause.
November 2024 in “Rheumatology Advances in Practice” Monitor for early signs of azathioprine toxicity and check blood counts regularly.
February 2023 in “Indian journal of private psychiatry/Indian Journal of Private Psychiatry” Valproic acid can rarely cause reversible nail discoloration.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
February 2009 in “Journal of The American Academy of Dermatology” Fractional infrared technology is effective and safe for treating cervical laxity.
May 2019 in “Journal of the Dermatology Nurses’ Association” Folliculitis decalvans mainly affects middle-aged African American men and is treated with antibiotics.
1 citations
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March 2010 in “CRC Press eBooks” Some hair care products may improve hair growth and appearance, and botanicals can also help remove unwanted hair.
September 2024 in “Journal of the American Academy of Dermatology” The patient responded well to treatment with no disease progression.
1 citations
,
January 1986 in “PubMed” The boy's symptoms suggest a possible new medical condition.
172 citations
,
November 1983 in “Journal of The American Academy of Dermatology” Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.
138 citations
,
June 2023 in “Molecules” Skin pigmentation varies due to genetics, UV exposure, and drugs, with treatments available but requiring medical advice.
120 citations
,
July 2005 in “Dermatologic surgery” Niacinamide improves aging skin and is safe for use in cosmetics.
114 citations
,
March 2002 in “Current opinion in oncology/Current opinion in oncology, with cancerlit” Cancer therapy can cause various skin problems, including hair loss, skin darkening, painful hand-foot syndrome, and severe skin damage.
111 citations
,
March 2012 in “Expert Opinion on Drug Delivery” Liposomes could improve how skin care products work but are costly and not very stable.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
75 citations
,
January 1995 in “American journal of primatology” Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
64 citations
,
June 1992 in “International Journal of Dermatology” Pregnancy often causes skin changes like darkening, stretch marks, and hair growth, which may improve after childbirth.