May 2023 in “Health science reports” Coloring shampoos for gray hair may cause gene mutation, reproductive issues, and skin damage, needing stricter regulation and expert consultation.
May 2026 in “International Journal of Molecular Sciences” The new human placental extract may help prevent hair graying and reduce nerve pain from chemotherapy.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
12 citations
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August 2014 in “Elsevier eBooks” Thallium exposure can cause serious health issues, including nerve damage and hair loss.
22 citations
,
August 2015 in “Cochrane Database of Systematic Reviews” The study aims to find the best treatment for central serous chorioretinopathy by comparing various options.
20 citations
,
December 2006 in “Archives of dermatology”
10 citations
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March 2019 in “Journal of Dermatological Treatment” Patients chose Chinese herbal medicine for safety, relapse prevention, and as an alternative to conventional treatments, but found preparation burdensome.
5 citations
,
April 2024 in “ACS Chemical Neuroscience” A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
January 2026 in “Psychoneuroendocrinology” Lye relaxers don't significantly change hair cortisol levels.
6 citations
,
September 2024 in “Plant Cell & Environment” Chitosan affects root hair growth and callose deposition based on its concentration.
5 citations
,
January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
49 citations
,
August 1996 in “The Journal of Clinical Endocrinology and Metabolism” The combination of cyproterone acetate and testosterone enanthate is highly effective in preventing sperm production and could be a good reversible male contraceptive.
1 citations
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December 2011 in “Arzneimittelforschung” CB-03-04 shows promise as a treatment for prostate issues due to its strong anti-androgen effects.
January 2023 in “Minds at UW (University of Wisconsin)” More research is needed to understand how shampoo chemicals affect hair strength and structure.
June 1958 in “Mycopathologia” Selective chemical epilation effectively treats tinea capitis without harmful side effects.
15 citations
,
November 2024 in “Materials” PHAs are promising biodegradable materials for medical and dental uses.
January 2026 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
2 citations
,
January 2025 in “International Journal of Molecular Sciences” Chitosan-encapsulated Cordyceps militaris reduces lung cell damage from pollution.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
November 2021 in “Austin therapeutics” Current treatments for hair loss from chemotherapy are limited, but new methods are being researched.
68 citations
,
May 2013 in “The American journal of medicine” Traditional Chinese medicines with heavy metals can cause severe poisoning.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
7 citations
,
April 2019 in “The Journal of Steroid Biochemistry and Molecular Biology” 11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
42 citations
,
December 1976 in “PubMed” Cyproterone acetate and ethinylestradiol effectively reduce hirsutism and acne in women.
April 2021 in “Journal of Advances in Environmental Health Research” Dental amalgam releases harmful mercury, posing health risks, and should be replaced with safer materials.
150 citations
,
November 2007 in “The Journal of Clinical Endocrinology and Metabolism” About 2.2% of women with symptoms of high male hormones have a mild form of congenital adrenal hyperplasia, and measuring a specific hormone level can accurately diagnose it.
5 citations
,
February 2015 in “Journal of Bio- and Tribo-Corrosion” Plasma jet treatments can clean hair and might replace peroxide for hair care.
3 citations
,
August 2021 in “Journal of fiber science and technology” Chitin nanofibrils are better at stabilizing oil droplets in emulsions than cellulose nanofibrils.
42 citations
,
April 2013 in “Steroids” Non-classic congenital adrenal hyperplasia is a common disorder causing symptoms like acne and infertility, and it's managed based on symptoms, not just test results. Treatment can improve fertility and reduce miscarriage risk.