Copper levels in green hair decreased significantly after treatment.
13 citations
,
July 2011 in “Photomedicine and laser surgery” Coloring white hair before IPL treatment effectively helps remove it.
3 citations
,
August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
July 2002 in “Dermatologic Surgery” Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.
114 citations
,
April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
1 citations
,
August 2015 in “PubMed” A woman with non-classic CAH had unusual heavy periods and high hormone levels, improved with treatment.
6 citations
,
October 2014 in “Endokrynologia Polska” Excessive hair growth is much more common in Chinese women with PCOS than in the general population.
March 2021 in “AACE clinical case reports” A man with both Klinefelter syndrome and primary hyperparathyroidism showed a rare combination of symptoms and genetic patterns.
January 2023 in “Open Journal of Endocrine and Metabolic Diseases” Hyperandrogenism is a common hormonal disorder in women, often linked to PCOS.
November 2024 in “Jurnal Biomedika dan Kesehatan” Premature graying in young children can affect self-esteem, and addressing underlying health issues may reverse it.
January 2022 in “Przegla̧d dermatologiczny” A man with a mental disorder turned his skin blue-gray by drinking silver to treat warts.
3 citations
,
May 1964 in “Nature” 5 citations
,
July 2024 in “Minerva Endocrinology” Testosterone therapy in transgender individuals can increase the risk of erythrocytosis.
9 citations
,
June 1959 in “Archives of dermatology” Hair can darken after inflammation and then return to its original color.
August 2020 in “Research Square (Research Square)” Oxygen levels affect hair growth and color cells differently when they interact directly.
23 citations
,
August 2017 in “Scientific Reports” Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
5 citations
,
December 2018 in “Journal of The American Academy of Dermatology” Some hair products can create false signs on scalp examinations, leading to wrong diagnoses.
December 2025 in “Frontiers in Endocrinology” High chromogranin A levels are linked to obesity and inflammation in polycystic ovary syndrome.
4 citations
,
January 1992 in “Clinical Oncology” Some cancer treatments can cause abnormal fine hair growth.
11 citations
,
November 2002 in “Dermatologic Surgery” IPL can cause unexpected hair growth in nearby untreated areas.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
October 2020 in “Our Dermatology Online” Skin changes and high vitamin B12 levels can be early signs of cancer.
6 citations
,
September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
6 citations
,
January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
5 citations
,
February 2003 in “American Journal of Medical Genetics Part A” A chromosomal change may cause ectodermal dysplasia and developmental issues in a child.
1 citations
,
January 2015 in “Journal of Pigmentary Disorders” Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.
January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
1 citations
,
January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
6 citations
,
July 2019 in “Experimental Dermatology” Skin can produce blood cells, often due to disease, which might lead to new treatments for skin and blood conditions.