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    Glossary Concentration

    amount of substance in a given volume

    Concentration refers to the amount of a substance present in a given volume of solution or mixture. In the context of hair and biology, it could relate to the concentration of nutrients, chemicals, or medications applied to the scalp or hair follicles, which can influence hair growth and health. For example, a higher concentration of minoxidil in a topical solution might be more effective in treating alopecia, but it could also increase the risk of side effects.

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    Community 10 of 142

    1. Topical Finasteride concetrations and amount applied Reddit · 7 Feb 2025
    2. How to increase Pyri concentration from 0.5% to 1% wihout using more volume ( 2ml x 2 per say for example ) Reddit · 9 Sept 2024
    3. concentration of my finasteride therapy Reddit · 10 Aug 2025
    4. GFM Gel - High concentration topical gel of Mimicking Growth Factors (GFm), a complex of polypeptides that mimic the action of endogenous growth factors and promote physiological hair regrowth. Helps strengthen the hair bulb and redensify the hair. Reddit · 18 May 2025
    5. Studies or evidence for concentration for topicals? Reddit · 2 Apr 2025
    6. tretinoin cream concentration question Reddit · 16 Nov 2022
    7. Sandalore (Givaudan) concentration application Reddit · 10 Oct 2018
    8. Optimal topical (leave in, not shampoo) caffeine concentration. Contradictions across studies. Reddit · 23 Jul 2023
    9. Is anyone here using lower concentrations of topical finasteride (e.g., 0.005-0.05% range) and seeing results? Reddit · 25 Apr 2026
    10. Topical Dutasteride Recommended doses and concentrations with microneedling? Community · 20 Nov 2025
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    Research 10 of 1000+

    1. Concentrations of magnesium, calcium, iron, selenium, zinc and copper in the hair of autistic children Trace Elements and Electrolytes · 2009 · 21 citations
    2. Concentration homeostasis and elements in hair and dried serum observed by X-ray fluorescence analysis using synchrotron radiation Journal of X-Ray Science and Technology · 2014 · 5 citations
    3. Epinephrine Vasoconstriction Effect Time in the Scalp Differs According to Injection Site and Concentration Dermatologic Surgery · 2016 · 4 citations
    4. Concentrations of Bioelements (Zn, Cu, Fe, Cr, Mg, Mn) in Serum and Bone Tissue of Aging Men Undergoing Hip Arthroplasty: Implications for Erectile Dysfunction Biomolecules · 2024 · 4 citations
    5. Concentrations of Chromium, Selenium, and Copper in the hair of visceral-obese adults are associated with insulin resistance Journal of Nutrition & Food Sciences · 2014
    6. Concentrations of Chromium, Selenium, and Copper in the Hair of Visceral-Obese Adults Are Associated with Insulin Resistance The Journal of Alternative and Complementary Medicine · 2014
    7. Effects of shampoo and water washing on hair cortisol concentrations Clinica Chimica Acta · 2010 · 122 citations
    8. Estrus, ovulation, and serum progesterone, estradiol, and LH concentrations in mares after an increased photoperiod during winter. PubMed · 1977 · 83 citations
    9. Analysis of Serum Zinc and Copper Concentrations in Hair Loss Annals of Dermatology · 2013 · 73 citations
    10. Element concentrations in serum, erythrocytes, hair and urine of alopecia patients Acta Dermato Venereologica · 1986 · 51 citations
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