1.1 This test method determines the effectiveness of ovicidal materials in liquid gel cream or shampoo form against the ova (that is eggs or nits) of the human louse. Pediculus humanus .

1.2 This test method is intended for use by those wishing to develop efficacy data or compare ovicidal formulations for human louse ova control.

1.3 This test method consists of five replicates for a statistical comparison of formulations.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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

1.1 This guide describes standardized procedures for the quantitative sensory assessment of fragrance/odor intensity or attribute intensity of fragrances in shampoo or hair conditioner base through all stages of use (point of purchase lather bloom in use wet hair after rinse and dry hair) or both under laboratory conditions with trained judges.

1.2 This standard involves the use of hair products and the equipment needed to use these products. 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 and health practices and determine the applicability of regulatory limitations prior to use.

The methods outlined in this guide can be used to qualitatively and quantitatively describe the performance and sensory characteristics of shampoos.

The methods described in this guide may be used for product formulation and research guidance as well as for quality control.

These methods may be used by individuals who familiarize themselves with these procedures and who have previous experience with sensory evaluation.

Variables that may affect results include but are not limited to water conditions (for example hardness) hair type and hair condition. These variables should be controlled or accounted for in the experimental design.

These are suggested procedures and are not intended to exclude alternate methods which may effectively provide the same or similar results.

1.1 The objective of this guide is to provide procedures which may be used in the design execution and analysis of studies to quantitatively assess the objective sensory attributes of shampoos. This is one of many appropriate techniques used in the hair-care industry. These attributes can then be used to define performance of shampoos and to provide direction in product formulation research guidance testing and claim substantiation. This guide includes the sensory properties involved in dispensing a product as well as the attributes pertinent to shampooing tresses half and whole heads. Although this guide is specific to shampoos the procedures should be applicable to most hair-care products.

1.2 Guidelines are provided for the definition of terminology procedures for manipulation of products identification/selection of hair type and assessor training. References for rating scales are not provided in this guide. The user should be aware that some sensory practices may require the use of attribute references (anchors) when training the assessors.

This guide can be used to quantitatively assess the intensity of specific attributes of hair fragrance.

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

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 shampoo or hair conditioner base through all stages of use (point of purchase lather in use wet hair after rinse and dry hair) under laboratory conditions with trained assessors.

This standard addresses the use of hair products and the equipment needed to use these products. 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 and health practices and determine the applicability of regulatory limitations prior to use.