4 citations,
June 2021 in “Frontiers in Pharmacology” Bone marrow stem cells and their medium help hair regrowth.
13 citations,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
52 citations,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
44 citations,
October 2019 in “International Journal of Molecular Sciences” Melatonin, usually known for sleep regulation, also has antioxidant properties that can protect skin, stimulate hair growth, and improve skin conditions, with topical application being more effective than oral use.
2 citations,
August 2023 in “Ecotoxicology and environmental safety” Vitamin A helps rabbit skin cells grow and survive heat stress.
23 citations,
August 2018 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Different sPLA2 enzymes affect immunity, skin and hair health, reproduction, and may be potential targets for therapy.
10 citations,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth phase.
1 citations,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
18 citations,
August 2019 in “Drug Development and Industrial Pharmacy” Quercetin-loaded nanoparticles can penetrate skin, minimize hair loss, and promote hair regrowth, showing slightly better results than a marketed product.
3 citations,
January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
July 2023 in “Journal of Natural Remedies” Shell ginger contains kavalactones that promote hair growth and have anti-cancer, anti-inflammatory, and anti-obesity effects.
January 2023 in “Applied sciences” Equisetum debile extracts may help with skin whitening, anti-wrinkle, and anti-hair loss treatments.
205 citations,
September 2018 in “Nutrients” Essential oils from Curcuma species, like turmeric, have compounds that can fight inflammation, cancer, and bacteria, and can also stimulate hair regrowth in bald males.
12 citations,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
4 citations,
April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
30 citations,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
7 citations,
October 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
68 citations,
February 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Keratin films from human hair can potentially replace human nail plates for drug testing.
375 citations,
June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
January 2025 in “Organics” Micelles can change cetirizine's ionization, affecting its effectiveness in treatments.
May 2009 in “Medical and surgical dermatology/Medical & surgical dermatology” Hair and nail conditions can stabilize or improve over time, and new treatments show promise.
The combined treatment increased hair density in most patients with Androgenetic Alopecia.
42 citations,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
1 citations,
July 2023 in “Biomimetics” A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.
December 2011 in “Asia-Pacific biotech news” In 2011, there were major scientific breakthroughs in cancer treatment, immunity, Parkinson's, virus simulation, schizophrenia, hair growth, lung cancer, and medical grafts.
27 citations,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
34 citations,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
510 citations,
August 2006 in “Endocrinology” The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.