ASTM E2049-20

6.1?This guide can be used to quantitatively assess the intensity of specific attributes of hair odors resulting from hair-care products.

6.2?This guide may be utilized for product development, research guidance, and quality control.

6.3?These are suggested procedures and are not meant to exclude alternate procedures that may effectively provide the same or similar results.

1.1?This guide covers standardized procedures for the quantitative sensory assessment of fragrance/odor intensity or attribute intensity of fragrances in hair-care products through all stages of use (point of purchase, lather, in use, wet hair after rinse, and dry hair) under laboratory conditions with trained assessors.

1.2?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.