December 2022 in “Proceeding Bengkulu International Conference on Health” Celery extract hair gel at 5% concentration is best for making hair gel.
April 2022 in “Jurnal Penelitian Farmasi dan Herbal” Patchouli leaf extract hair tonic at 15% concentration is best for treating hair loss.
March 2022 in “Journal of drug delivery and therapeutics” Sea hibiscus leaf extract at 30% concentration in a hair tonic significantly increased hair growth in guinea pigs.
August 2021 in “Journal of Fundamental and Applied Pharmaceutical Science” Black tea extract at 5% concentration promotes the most hair growth.
Type II spiral ganglion neurites avoid high concentrations of laminin and fibronectin.
January 2005 in “Pharmaceutical Journal of Chinese People's Liberation Army” Ginseng extract can enhance hair growth at certain concentrations.
80 citations,
February 2021 in “Cureus” Many COVID-19 survivors continue to experience symptoms like fatigue and concentration problems after recovery, possibly needing rehabilitation.
20 citations,
January 2009 in “Chemical Papers” Both HPSAM and PLS methods accurately measure minoxidil and tretinoin concentrations.
3 citations,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” CBD can either promote or inhibit hair growth depending on the concentration used.
1 citations,
September 2022 in “KnE medicine” Candlenut oil hair tonic helps mice grow hair, with higher oil concentration giving better results.
October 2022 in “Asian journal of healthy and science” Mother-in-law's tongue leaf extract at 20% concentration significantly promotes hair growth in male rabbits.
July 2018 in “Hair transplant forum international” Different PRP systems produce varying levels of platelet concentrations.
Aloe vera hair tonic with 10% and 15% concentrations effectively promoted hair growth in male rats.
44 citations,
October 1989 in “International Journal of Pharmaceutics” Minoxidil's effectiveness decreases as vehicle evaporates; concentration and thermodynamic activity matter.
3 citations,
September 1980 in “Experientia” Dobutamine does not mimic dopamine at therapeutic doses but may at very high concentrations; microfilaments, not microtubules, are important for wound healing in Xenopus embryos.
2 citations,
October 2022 in “Journal of cosmetic dermatology” CBD may increase hair growth, but the right concentration is crucial and more research is needed.
1 citations,
June 2021 in “International journal of pharmaceutical compounding” Minoxidil in FOAMIL is stable for at least 180 days at various concentrations.
November 2023 in “Journal of Bioscience and Bioengineering” Exosomes show promise for hair growth but face challenges in standardization and concentration for clinical use.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
Cocor Bebek leaf extract may promote hair growth better than minoxidil at high concentrations.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Hair analysis can be unreliable due to external contamination and varying drug concentrations.
January 2008 in “วารสารการแพทย์และวิทยาศาสตร์สุขภาพ (Journal of Medicine and Health Sciences)” Clitorea ternatea and Citrus hystrix extracts can promote hair growth at certain concentrations.
November 2020 in “International journal of pharmaceutical compounding” A stable and simple finasteride suspension was developed that retains over 94.3% of its concentration for up to 90 days and doesn't significantly increase occupational exposure, but safety measures are still advised.
52 citations,
February 1985 in “Archives of Dermatology” Minoxidil absorbs poorly through skin, with low risk of side effects at 1-2% concentration.
36 citations,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
19 citations,
November 1971 in “Clinica Chimica Acta” The document concludes that measuring γ-glutamyl transpeptidase activity is more accurate with a higher substrate concentration and using diluted acetic acid to stop the reaction.
12 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
4 citations,
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.
1 citations,
August 2017 in “British Journal of Dermatology” Sodium hypochlorite can effectively prevent and remove Staphylococcus aureus biofilms in atopic dermatitis at high enough concentrations.
October 2023 in “Jurnal Ilmu Kefarmasian Indonesia” Cinnamon essential oil and virgin coconut oil hair tonic promoted hair growth, with the highest concentration performing better than the positive control.