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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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    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
    11. Ultrastructural alterations and environmental exposure influence the opiate concentrations in hair of drug addicts International journal of legal medicine · 1995 · 33 citations
    12. The effect of the antiandrogen IIα-hydroxyprogesterone on sebum production and cholesterol concentration of sebum British Journal of Dermatology · 1982 · 27 citations
    13. An Investigation of Hair Cortisol Concentration across Body Sites and within Hair shaft Clinical Medicine Insights Endocrinology and Diabetes · 2010 · 22 citations
    14. Higher concentrations of dithranol appear to induce hair growth even in severe alopecia areata Dermatologic therapy · 2017 · 12 citations
    15. Hair concentrations of calcium, iron, and zinc in pregnant women and effects of supplementation Biological Trace Element Research · 1999 · 11 citations
    16. Testosterone concentrations and oligomenorrhea in women with acne International Journal of Dermatology · 1997 · 6 citations
    17. Serum concentrations of dihydrotestosterone are associated with symptoms of hypogonadism in biochemically eugonadal men Journal of Endocrinological Investigation · 2021 · 5 citations
    18. Comparative Effects of Zinc Methionylglycinate and Zinc Sulfate on Hair Coat Characteristics and Zinc Concentration in Plasma, Hair, and Stool of Dogs The Thai Journal of Veterinary Medicine · 2008 · 4 citations
    19. Activation of platelet-rich plasma by pulse electric fields: Voltage, pulse width and calcium concentration can be used to control and tune the release of growth factors, serotonin and hemoglobin PLoS ONE · 2021 · 3 citations
    20. Low concentration zinc sulphate solution in the management of recurrent herpes simplex infection British Journal of Dermatology · 1985 · 3 citations
    21. Adrenal and Gonadal Activity, Androgen Concentrations, and Adult Height Outcomes in Boys With Silver-Russell Syndrome Frontiers in endocrinology · 2019 · 1 citations
    22. Does hair cortisol concentration reflect measurable regulatory biology of the HPA axis in healthy humans? Psychoneuroendocrinology · 2026
    23. Hair concentrations of selenium in the Moldovan population Èkologiâ čeloveka · 2023
    24. Peripubertal Testosterone, 17β-Estradiol and Progesterone Concentrations in Hair and Nails in Dobermann Dogs Animals · 2023
    25. Hair analysis: Assessment of homemade hair treatment effects on drug concentrations in the keratin matrix Drug testing and analysis (Print) · 2023
    26. Effects of short photoperiod on cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats Journal of applied animal research · 2023
    27. 316 Role of platelet and growth factor concentration in platelet rich plasma therapeutic response to alopecia Journal of Investigative Dermatology · 2022
    28. Minimum Concentration of Stingless Bee Propolis (Trigona sp.) in Inhibiting the Growth of Dandruff Bacteria Current Biochemistry · 2021
    29. Long-term physiological trends and their drivers: linking hair hormone concentrations with telemetry data in GPS-collared Serengeti wildebeest 2020
    30. Optimal concentration selection of active pharmaceutical ingredients in the cream-mask intended for androgenic alopecia treatment according to experimental results on paramecium caudatum biological model The Pharma Innovation Journal · 2019