December 2025 in “Biomolecules” Targeting protein S-palmitoylation could lead to new skin disease treatments.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
September 2024 in “Journal of the American Academy of Dermatology” PRO-C22 can help diagnose and monitor the severity of hidradenitis suppurativa.
June 1998 in “Pathophysiology” Selenium is crucial for health, but both deficiency and excess can cause problems.
3 citations
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December 1956 in “PubMed”
57 citations
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February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Hair relaxers are linked to reduced cystine levels and potential hair damage.
40 citations
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July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
4 citations
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March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
41 citations
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March 2016 in “The Journal of Clinical Endocrinology & Metabolism” In STSD patients, the body compensates for low androgen levels by increasing another enzyme's activity.
3 citations
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November 2017 in “International Journal of Cosmetic Science” Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.
31 citations
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February 2007 in “Journal of Structural Biology” Oxidation changes the structure of hair protein filaments, causing them to compact and rearrange.
6 citations
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January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
16 citations
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March 2008 in “International journal of pharmaceutics” Different factors like pH, gel type, and chemical enhancers affect how well hydrocortisone gets into hair follicles, and less hydrated skin doesn't work well with the test method.
5 citations
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November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
4 citations
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September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
118 citations
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May 2015 in “European journal of pharmaceutics and biopharmaceutics” The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
12 citations
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August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
1 citations
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December 2005 in “Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale” Ancient South American mummies' hair shows high sulfur, calcium, and potassium levels.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
3 citations
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January 1985 in “Drug development and industrial pharmacy” Additives like ethanol and propylene glycol increase the release of zinc pyrithione from shampoo.
356 citations
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December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
32 citations
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November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Most women preferred the 1% pyrithione zinc shampoo for better hair smoothness and less frizz while controlling dandruff.
2 citations
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May 2021 in “Journal of pharmaceutical and biomedical analysis” A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
14 citations
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September 2007 in “Steroids” The study concluded that androstendione and DHEA are important for diagnosing high male hormone levels in women with excessive hair growth.
5 citations
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January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
3 citations
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July 2016 in “Tropical Journal of Pharmaceutical Research” Splitting non-scored tablets can lead to uneven drug distribution, posing risks.
June 2025 in “Rapid Communications in Mass Spectrometry” The new method improves protein extraction and analysis in hair, aiding biomedical and forensic work.
42 citations
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.