January 2005 in “Elsevier eBooks” Insulin resistance and hyperinsulinism are linked to fertility issues and can worsen symptoms of PCOS.
July 1989 in “British Journal of Dermatology” Women's acne improvement with antibiotics is not linked to signs of high male hormones.
8 citations
,
March 2014 in “Experimental Dermatology” Light and temperature affect the daily skin function rhythms in hairless rats, with temperature influencing water loss but not skin hydration.
1 citations
,
January 2021 PRP is a safe, effective treatment for tissue regeneration and various skin conditions.
May 2026 in “Preprints.org” Dark-coated cats are more stressed, and adoption reduces stress in cats.
February 2025 in “Journal of Tissue Viability” Dark skin is more prone to severe pressure ulcers due to reduced ceramide content and detection challenges.
35 citations
,
July 2007 in “Dermatologic clinics” Facial dark spots can be caused by the sun, genetics, makeup, or medicine, and are diagnosed by patient history and skin tests.
114 citations
,
April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
94 citations
,
October 2017 in “International Journal of Dermatology” Lichen planus pigmentosus causes dark skin patches and is treated by avoiding triggers and using anti-inflammatory medications.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
11 citations
,
March 2012 in “Journal of the American Academy of Dermatology” Most patients with dark skin were satisfied with laser hair removal and had few complications.
41 citations
,
February 1970 in “Archives of Dermatology” Oral contraceptives can cause skin issues like dark patches, acne, yeast infections, sensitivity to light, spider veins, skin rashes, and hair loss.
12 citations
,
June 2009 in “Journal of Cosmetic Dermatology” Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
7 citations
,
January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
3 citations
,
August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
2 citations
,
September 2019 in “Neurology Neuroimmunology & Neuroinflammation” IVIg treatment improved symptoms but caused permanent dark hair loss.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
December 2023 in “Materials Today Sustainability” Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.
January 2022 in “Skin appendage disorders” A woman with alopecia totalis regrew dark hair in bands after using a corticosteroid ointment.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
9 citations
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May 2005 in “Facial plastic surgery” Laser hair removal can be safe and effective for dark-skinned individuals with the right laser settings.
3 citations
,
April 2017 in “Journal of Medical Science And clinical Research” PCOS often causes acne, dark skin patches, excess hair, and hair loss, linked to hormone levels and obesity.
Laser hair removal works well for light skin with dark hair but needs caution for darker skin.
2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
1 citations
,
February 2025 in “Photodermatology Photoimmunology & Photomedicine” 830 nm LED light effectively treats and prevents skin redness and dark spots, while 590 nm LED light only helps prevent them.
1 citations
,
September 2024 in “Journal of Oncology Pharmacy Practice” Hydroxyurea treatment unexpectedly restored hair color from gray to dark brown in an older woman.
1 citations
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January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
September 2023 in “Journal of the American Academy of Dermatology” Spanish speakers with limited English search most for "pigmentation/dark spots."
November 2019 in “Harper's Textbook of Pediatric Dermatology” Children with metabolic syndrome often have skin problems like dark patches, skin tags, stretch marks, infections, acne, and psoriasis, which are linked to obesity and insulin resistance.
October 2017 in “Journal of medical science and clinical research” Obese people are more likely to have certain skin conditions like dark patches, stretch marks, skin tags, and bumpy skin.