19 citations,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
18 citations,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
9 citations,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
4 citations,
March 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
3 citations,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
4 citations,
August 2018 in “International Journal of Current Microbiology and Applied Sciences” Eclipta prostrata leaves contain various compounds with medicinal properties.
September 2016 in “International Journal of Dermatology” The document covers various dermatological conditions and their studies.
6 citations,
January 1998 in “Journal of Investigative Dermatology” Estrogen receptors may not affect mouse hair growth as previously thought, and oxybenzone in sunscreen is stable in sunlight.
3 citations,
April 2011 in “Microscopy research and technique” Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.
18 citations,
March 2014 in “Drug Development and Industrial Pharmacy” New gel formulas without ethanol and propylene glycol, containing a minoxidil-methyl-β-cyclodextrin complex, have been created for treating hair loss.
15 citations,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
14 citations,
July 2017 in “Monatshefte für Chemie - Chemical Monthly” Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
5 citations,
August 2016 in “International Journal of Cosmetic Science” Shampoo coacervates can cause scalp irritation due to released surfactants.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
1 citations,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
26 citations,
May 2012 in “Pharmaceutical Development and Technology” PEVs effectively deliver minoxidil through skin.
18 citations,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
7 citations,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
The new method provides more accurate vibrational frequencies for drug molecules than traditional models.
2 citations,
March 2023 in “Frontiers in Bioengineering and Biotechnology” CuSi nanowires with NIR photothermal properties could effectively treat infected wounds and promote healing.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
39 citations,
November 2015 in “Nanomedicine” Improved Finasteride delivery for hair loss treatment.
61 citations,
June 2010 in “European Journal of Pharmaceutics and Biopharmaceutics” Cationic polymers improved liposome stability and increased skin absorption of aciclovir and minoxidil.
31 citations,
October 2020 in “Journal of nanomaterials” Silver nanoparticles made from Grewia optiva leaf extract show strong antibacterial, antioxidant, and hair growth benefits.