February 2018 in “The Journal of Sexual Medicine” Natesto nasal gel improves erectile function and mood in men with low testosterone within 30 days.
December 2016 in “The Journal of Sexual Medicine” Short-acting testosterone injections in a clinic are a preferred treatment for low testosterone because they work well, are convenient, and patients stick with the treatment.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
September 2010 in “European Urology Supplements” Opioid use may lower PSA levels, suggesting a possible role in prostate cancer control; PSA testing is useful for detecting prostate cancer; serum triglycerides are not linked to prostate cancer risk; and higher urethral PSA levels may be associated with local hormone activity.
September 2010 in “European Urology Supplements” The document does not confirm if radical prostatectomy is the best treatment for locally advanced prostate cancer.
September 2010 in “European Urology Supplements” PSA testing is a reliable method for detecting prostate cancer, and opioids may lower PSA levels, but triglycerides don't affect prostate cancer risk.
September 2010 in “European Urology Supplements” Higher urethral PSA levels after prostate removal surgery may be linked to more hair loss and higher PSA levels post-surgery.
January 2010 in “Yearbook of Endocrinology” Older men with lower levels of available testosterone are more likely to be frail.
January 2006 in “mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)” Cattle hair isotope analysis can reveal diet and farm system characteristics.
January 1983 in “Journal of the American Oil Chemists' Society” The U.S. soybean industry wanted government help due to foreign competition, while the jojoba industry was growing and expected to stabilize.
February 2017 in “The Journal of Sexual Medicine” Finasteride for hair loss can cause erectile dysfunction due to tissue fibrosis.
4 citations
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January 2018 in “Urology & Nephrology Open Access Journal” Hair dye chemicals can cause serious health problems, including kidney damage.
March 2013 in “Molecular & Cellular Toxicology/Molecular & cellular toxicology” m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
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.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
19 citations
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April 2021 in “Journal of Cosmetic Dermatology” The treatment with silk proteins and linseed polysaccharides effectively protects and repairs chemically damaged hair.
27 citations
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February 2003 in “Cell and Tissue Research” FM dyes effectively stain Merkel cells for long-term observation.
December 2025 in “Journal of Pharma Insights and Research.” The shampoo naturally colors and conditions hair safely without toxic chemicals.
6 citations
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March 2015 in “European Journal of Public Health” Long-term hair dye use may increase testosterone levels in women.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
15 citations
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June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
1 citations
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June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
December 2025 in “Journal of Forensic Sciences” Bleaching hair doesn't affect the accuracy of dye identification using SERS.
11 citations
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January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
The new sensor can detect a toxic chemical in water with high sensitivity and accuracy.
24 citations
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April 2016 in “Experimental Dermatology” Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.
January 2025 in “Journal of Pharmacognosy and Phytochemistry” Plant-based pigments in shampoo offer vibrant colors and scalp benefits, meeting quality standards and providing a natural alternative to synthetic dyes.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.