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.
Communities adapt and reinterpret the landscape of the former Stutthof concentration camp, balancing memory and identity.
Melatonin affects cell growth differently based on its concentration.
Aloe vera hair tonic with 10% and 15% concentrations effectively promoted hair growth in male rats.
44 citations
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October 1989 in “International Journal of Pharmaceutics” Minoxidil's effectiveness decreases as vehicle evaporates; concentration and thermodynamic activity matter.
25 citations
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May 2006 in “Annals of Botany” Root hair growth in wheat needs a specific G-actin gradient and high Ca2+ concentration at the tips.
3 citations
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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
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October 2022 in “Journal of cosmetic dermatology” CBD may increase hair growth, but the right concentration is crucial and more research is needed.
2 citations
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March 2010 in “Acta Biochimica Polonica” Raltitrexed conjugates are less potent than the free drug but more effective at high concentrations.
1 citations
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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.
January 2006 in “Xibei zhiwu xuebao” Norethindrone and levonorgestrel can enhance or inhibit root growth in Arabidopsis thaliana depending on the concentration.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Hair analysis can be unreliable due to external contamination and varying drug 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
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February 1985 in “Archives of Dermatology” Minoxidil absorbs poorly through skin, with low risk of side effects at 1-2% concentration.
36 citations
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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
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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.
1 citations
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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 2025 in “Journal of Biota” SCOBY kombucha gel speeds up wound healing, especially at 12% concentration.
December 2024 in “Majalah kedokteran Bandung/Majalah Kedokteran Bandung” Carrot seed oil thickens hair roots and tips, with 75% concentration being most effective.
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.
September 2022 in “KnE medicine” Argan oil in hair tonic increases hair growth and weight in mice, with the best results at 3% concentration.
Fragrant pandan leaf extract can inhibit dandruff-causing fungus, especially at higher concentrations.
Waru leaf creambath can speed up hair growth in rabbits, especially at 37.5% concentration.
September 2016 in “Medical Sains/Medical sains” Liquorice extract promotes hair growth in male rabbits, with 2.5% concentration being most effective.
June 2008 in “Dermatologic Surgery” Hydrogen peroxide may have both positive and negative effects on wound healing, and its safe concentration for hair transplant surgery is unclear.
July 1989 in “British Journal of Dermatology” Minoxidil helps increase hair growth and density in people with hair loss, with higher concentrations giving better results.