61 citations,
September 2008 in “Biological & Pharmaceutical Bulletin” Finasteride almost fully depletes allopregnanolone in rat brains and enhances 20α-DHP, but doesn't change 3α-DHP levels.
54 citations,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
50 citations,
October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
36 citations,
July 1980 in “Journal of Toxicology and Environmental Health” High doses of ethynylestradiol in rats caused growth issues, organ changes, and some tumors, but didn't increase overall tumor rates.
32 citations,
March 1948 in “The journal of investigative dermatology/Journal of investigative dermatology” 24 citations,
July 1980 in “Journal of Toxicology and Environmental Health” High doses of norethindrone acetate in rats caused various organ changes but didn't significantly increase tumor rates.
18 citations,
April 2009 in “Journal of Chromatography A” Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.
9 citations,
April 1970 in “Biochemical pharmacology” Stilbamidine and hydroxystilbamidine inhibit enzyme release from lysosomes and have effects similar to cortisol and chloroquine.
7 citations,
July 2004 in “International Journal of Cosmetic Science” Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
5 citations,
September 2006 in “Natural medicines/Journal of natural medicines” Microscopic hair features can identify different Cauda Cervi species.
3 citations,
February 1992 in “Journal of veterinary medicine. Series A” The farm-raised blue fox had a delayed winter coat cycle and abnormal hormone levels, but its hair growth and hormone changes were still linked.
3 citations,
September 1989 in “Journal of Investigative Dermatology” Methyl caprate greatly increases drug absorption through the skin and is better than other enhancers.
2 citations,
August 2010 in “Journal of Scientific Research” The study found specific shape, size, and cellular details of Tridax procumbens leaves that can help identify the plant.
2 citations,
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Sophora flavescens extract helps hair grow and prevents acne.
2 citations,
January 1995 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Ethyl Carbitol is the best at preventing split ends in permed hair.
2 citations,
January 1994 in “Yakubutsu dōtai” Finasteride has different absorption and metabolism in male and female rats, with higher concentrations in certain organs and mostly excreted through feces.
1 citations,
January 2016 in “International journal of research in ayurveda and pharmacy” The study found that a specific combination of five medicinal plants effectively inhibits the fungus that causes dandruff.
1 citations,
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Some plant extracts may help hair grow.
December 2022 in “Journal of applied biological chemistry” Betula platyphylla extract, particularly the H3-2 fraction, may help treat hair loss by promoting cell growth and inhibiting a hair loss-related enzyme.
Procyanidins and phosphatidic acids help promote hair growth.
August 1994 in “Journal of dermatological science” Different substances affect hair and skin cell growth in various ways, with some promoting and others inhibiting cell proliferation.
90 citations,
May 1972 in “Clinical Pharmacology & Therapeutics” Minoxidil quickly leaves blood, turns into urine metabolites, and has lasting blood pressure-lowering effects.
47 citations,
September 2015 in “Journal of Drug Delivery Science and Technology” Nanoparticulate systems improve drug delivery by controlling release, protecting drugs, changing absorption and distribution, and concentrating drugs in targeted areas.
46 citations,
October 1999 in “Journal of The American Academy of Dermatology” Finasteride effectively treats male pattern hair loss with a 1 mg daily dose.
43 citations,
January 1977 in “Toxicology and Applied Pharmacology” Minoxidil is mostly safe, but high doses can cause electrolyte imbalances and heart issues in dogs.
30 citations,
May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
28 citations,
August 2015 in “Journal of Drug Targeting” The new CoQ10 gel protects mouse skin better against aging from UV light than the old gel.
28 citations,
March 2014 in “International Journal of Nanomedicine” New lipid nanoparticles show promise for delivering hair loss treatments but need improvement for better skin penetration.