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Put the mask sheet on your face along the facial contour
Chronic Stress
The following formula illustrates the relationship: Concentration (mg/mL) = Vial content (mg) Volume of bacteriostatic water added (mL) Illustrative examples: 2 mg vial + 1 mL bacteriostatic water = 2 mg/mL 2 mg vial + 2 mL bacteriostatic water = 1 mg/mL 5 mg vial + 2 mL bacteriostatic water = 2.5 mg/mL Note that the concentrations in the examples above differ from one another
doi: 10.1080/21655979.2022.2049471 187 Truong DoMGyun KimHHo ChoiJGwang JeongH
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