T/GDCA 012-2022 Methodology for assessing the long-lasting fragrance effect of hair care products
T/GDCA 012-2022 Methodology for assessing the long-lasting fragrance effect of hair care products
Basic Information
Scope
Scope: This document specifies the evaluation method for the fragrance retention effect of hair care products within a certain period of time. This document is applicable to the evaluation of the fragrance retention effect of rinsing and residual hair care products within a certain period of time; Main technical content: 6. Requirements for 6 subjects: 6.1 Selection criteria for subjects; 6.2 Exclusion criteria for subjects; 6.3 Regulations that subjects must comply with before evaluation; 7. Requirements for the evaluation room; 8. Instruments, reagents, and materials; 9. Testing methods: 9.1 Preparation of hair strands; 9.2 Application of samples; 9.3 Evaluation of fragrance retention; 10. Calculation and results: 10.1 Calculation; 10.2 Grouping; 10.3 Judging criteria