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See Chinese contents: QB/T 4256-2011 QB/T 4256-2011: Guideline for evaluation of cosmetics moisturization efficacy
This standard specifies a method for evaluating the moisturization efficacy of cosmetics - Capacitance method to determine the moisture content of the stratum corneum of the skin. This standard is applicable to the determination of moisturization efficacy of skin care creams, lotions, cosmetic products. Other types of cosmetics, which are claimed having moisturization efficacy, can refer to this standard for evaluation.
