T/GDCA 009-2022 Active Group standards

T/GDCA 009-2022 Cosmetic repair efficacy human evaluation method

Publish Date: 2022-04-30 Implement Date: 2022-05-05 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GDCA 009-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Cosmetics

ICS Name: Cosmetics and beauty products

Publish Date: 2022-04-30

Implement Date: 2022-05-05

Scope

Scope: This document specifies the terms and definitions, basic principles, evaluation methods, data statistical analysis, test conclusions, and test reports for a human evaluation method of the repair efficacy of cosmetics. This document applies to cosmetics that claim to have repair efficacy by repairing the skin barrier. This document does not apply to scalp and lip cosmetics. Main technical content: 1. Evaluation methods 1.1 Subject requirements 1.1.1 Number of subjects The number of valid cases should be no less than 30 cases. 1.1.2 Inclusion criteria for subjects Subjects should meet the following criteria: - Age between 18 and 60 years, healthy men or women; - Positive results for lactic acid stinging test; - Those who self-report one or more symptoms of damaged skin barrier function, such as dryness, peeling, and redness; - Those who can understand the test process, voluntarily participate in the trial, and sign an informed consent form; - Those who can use the products as required. Note: The test institution may set reasonable screening values based on different testing equipment. 1.1.3 Exclusion criteria for subjects The exclusion criteria for subjects are as follows: - Pregnant or lactating women, or those who have recent plans to conceive; - Those with a history of present skin diseases such as psoriasis, eczema, and atopic dermatitis; - Those who have taken oral or topical anti-inflammatory drugs such as corticosteroids within the past month; - Those who are currently participating in other clinical trials or have participated in them within the past month; - Those who do not participate voluntarily and cannot complete the required content on time; - Others who are deemed unsuitable for participation in the trial by clinical evaluation. 1.1.4 Restrictions on subjects During the trial, the test products provided by the test institution should be used on the test sites, and no other products with equivalen