September 2009 in “Annales D Endocrinologie” DHEA supplementation may improve quality of life, neuropsychological functions, and sexual satisfaction in individuals with adrenal insufficiency, but more research is needed to confirm its safety and effectiveness.
July 1996 in “Clinical and Experimental Dermatology” Putting calcipotriol ointment on the skin once doesn't change calcium levels in the body right away.
May 1991 in “Current problems in dermatology” Skin issues can indicate immune system problems.
November 2025 in “Eurasian journal of applied biotechnology” Combining L-cysteine, NAC, and a MET inhibitor significantly kills cervical cancer cells.
January 1983 in “Elsevier eBooks” Masculinization in affected individuals occurs gradually after puberty due to hormone changes.
4 citations
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June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
37 citations
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May 1998 in “Journal of Dermatological Science” Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
3 citations
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December 2021 in “Materials today communications” A new film made from human hair supports skin cell growth better than collagen.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
8 citations
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March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
2 citations
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January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
January 2024 in “Current research in toxicology” Thallium is highly toxic, causing severe health issues, and Prussian blue is the best antidote.
38 citations
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November 2020 in “International journal of biochemistry & cell biology” Keratin proteins are essential for keeping the cells in the human colon healthy and stable.
15 citations
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October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
72 citations
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December 2011 70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
13 citations
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March 2017 in “PubMed” People with a common type of hair loss have higher stress levels in their body, and treatments that reduce this stress could help.
5 citations
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December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
4 citations
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December 2020 in “Tissue Barriers” Loricrin affects skin immune function and homeostasis.
2 citations
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June 2023 in “Food science & nutrition” Eating apples can help prevent heart disease, cancer, and other conditions because they have healthy plant chemicals.
October 2025 in “Coloration Technology” Delipidised wool is brighter, dyes better, and is more eco-friendly.
75 citations
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March 2018 in “Molecules/Molecules online/Molecules annual” L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
July 2023 in “Nature Reviews Chemistry” A new method strengthens hair without using harmful chemicals.
October 2021 in “Authorea (Authorea)” New hair perming method using tyrosine is gentler and can be done with a blow-dryer.
February 2025 in “Biomimetics” The shampoo straightens hair while keeping it healthy and less damaged.
37 citations
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August 2019 in “Frontiers in Microbiology” Staphylococcus epidermidis A/C strains are more antibiotic-resistant and infection-adapted, while B strains thrive in hair follicles.
27 citations
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May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
13 citations
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September 2023 in “Medical Gas Research” Nitric oxide may help treat COVID-19 pneumonia by fighting the virus and easing symptoms.