ASTM E1490-19
(Guide)Standard Guide for Two Sensory Descriptive Analysis Approaches for Skin Creams and Lotions
Standard Guide for Two Sensory Descriptive Analysis Approaches for Skin Creams and Lotions
SIGNIFICANCE AND USE
5.1 The procedures recommended in this guide can be used to assess the sensory characteristics before, during, and after usage of skin care products.
5.2 This guide is applicable to product categories that include skin lotions and creams, facial moisturizers, hand lotions and creams, anti-aging lotions and creams, suntan lotions, personal repellents, and other skin care products.
5.3 Procedures of the type described herein may be used to communicate perceived sensory properties within and between manufacturers and to the consumer through the media. These guidelines are suggested to meet the need for ascertaining the performance of experimental and commercial products.
5.4 These procedures are to be used by assessors who are screened for sensory acuity, trained to use their senses to evaluate products, and in the procedures outlined by the panel method of choice, either technical assessor or consumer behavioral approach.
5.5 This guide provides suggested procedures and is not meant to exclude alternate procedures that may be effective in training skinfeel panels and providing sensory evaluation descriptions.
SCOPE
1.1 The objective of this guide is to provide procedures for two different descriptive analysis approaches that may be used to qualitatively describe the sensory attributes of skin creams and lotions and quantitatively measure their intensity, similarities, and differences over time. Descriptive analysis can be used to define the sensory experience of skin care products that can then be used to provide direction in product formulation, competitive assessment, ingredient substitutions, research guidance, and advertising claim substantiation.
1.2 Guidelines are provided to assist the reader in determining which approach best meets their research objectives, either the (1) technical assessor or (2) consumer behavior approach to language development and evaluation.
1.3 Guidelines are provided for the selection and training of assessors, defining sensory attributes, measuring intensities on rating scales, developing procedures for the manipulation of the product alone and the product on the skin, product handling, and evaluation of skin condition before testing.
1.4 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 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.
1.6 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.
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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.
Designation: E1490 − 19
Standard Guide for
Two Sensory Descriptive Analysis Approaches for Skin
1
Creams and Lotions
This standard is issued under the fixed designation E1490; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
1.1 The objective of this guide is to provide procedures for 2.1 ASTM Standards:
two different descriptive analysis approaches that may be used E253 Terminology Relating to Sensory Evaluation of Mate-
to qualitatively describe the sensory attributes of skin creams rials and Products
and lotions and quantitatively measure their intensity, MNL 13 Manual on Descriptive Analysis Testing for Sen-
similarities,anddifferences over time. Descriptive analysiscan sory Evaluation
be used to define the sensory experience of skin care products MNL 26 Sensory Testing Methods: Second Edition
that can then be used to provide direction in product
3. Terminology
formulation, competitive assessment, ingredient substitutions,
research guidance, and advertising claim substantiation.
3.1 Terms used in this guide are in accordance with Termi-
nology E253.
1.2 Guidelines are provided to assist the reader in determin-
ing which approach best meets their research objectives, either
3.2 Definitions:
the (1)technicalassessoror (2)consumerbehaviorapproachto 3.2.1 application, n—process of applying the skin care
language development and evaluation.
product.
3.2.2 delivery, n—stage during which the product is dis-
1.3 Guidelines are provided for the selection and training of
assessors, defining sensory attributes, measuring intensities on charged onto the finger(s) or skin.
rating scales, developing procedures for the manipulation of
3.2.3 panel leader/moderator, n—person who is responsible
the product alone and the product on the skin, product
for conducting descriptive panels, protocols, and panel main-
handling, and evaluation of skin condition before testing.
tenance.
1.4 Units—The values stated in inch-pound units are to be
3.2.4 pick-up, n—stage during which the product is manipu-
regarded as the standard. The values given in parentheses are
lated between the fingers, as it might be after the product is
mathematical conversions to SI units that are provided for
dispensed onto the finger or lifted from a jar.
information only and are not considered standard.
3.2.5 reference anchors, n—products that are used to define
1.5 This standard does not purport to address all of the
intensities of a specific attribute.
safety concerns, if any, associated with its use. It is the
3.2.6 rub-out, n—stage during which the product is rubbed
responsibility of the user of this standard to establish appro-
onto the skin.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
4. Summary of Guide
1.6 This international standard was developed in accor-
4.1 Overview—This guide describes two approaches to the
dance with internationally recognized principles on standard-
descriptive analysis of skin care products; technical assessor
ization established in the Decision on Principles for the
and consumer behavior approaches. The appropriate ap-
Development of International Standards, Guides and Recom-
proaches for identifying, selecting, and training of assessors to
mendations issued by the World Trade Organization Technical
evaluate the intensity and duration of sensory characteristics
Barriers to Trade (TBT) Committee.
for skin care products are discussed. See Table 1.
4.1.1 Technical Assessor Approach—The technical assessor
approach for descriptive analysis is based in the training of
1
This guide is under the jurisdiction of ASTM Committee E18 on Sensory
Evaluation and is the direct responsibility of Subcommittee E18.07 on Personal
2
Care and Household Evaluation. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2019. Published December 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1992. Last previous edition approved in 2011 as E1490 – 11. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E1490-19. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E1490 − 19
TABLE 1 Overview of Tech
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E1490 − 11 E1490 − 19
Standard Guide for
Two Sensory Descriptive Analysis Approaches for Skin
1
Creams and Lotions
This standard is issued under the fixed designation E1490; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 The objective of this guide is to provide procedures for two different descriptive analysis approaches that may be used to
qualitatively describe the sensory attributes of skin creams and lotions and quantitatively measure their intensity, similarities, and
differences over time. Descriptive analysis can be used to define the sensory experience of skin care products that can then be used
to provide direction in product formulation, competitive assessment, ingredient substitutions, research guidance, and advertising
claim substantiation.
1.2 Guidelines are provided to assist the reader in determining which approach best meets their research objectives, either the
(1) technical expertassessor or (2) consumer behavior approach to language development and evaluation.
1.3 Guidelines are provided for the selection and training of assessors, defining sensory attributes, measuring intensities on
rating scales, developing procedures for the manipulation of the product alone and the product on the skin, product handling, and
evaluation of skin condition before testing.
1.4 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are
mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
1.6 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.
2. Referenced Documents
2
2.1 ASTM Standards:
E253 Terminology Relating to Sensory Evaluation of Materials and Products
MNL 13 Manual on Descriptive Analysis Testing for Sensory Evaluation
MNL 26 Sensory Testing Methods: Second Edition
3. Terminology
3.1 Terms used in this guide are in accordance with Terminology E253.
3.2 Definitions:
3.2.1 application, n—process of applying the skin care product.
3.2.2 delivery, n—stage during which the product is discharged onto the finger(s) or skin.
3.2.3 panel leader/moderator, n—person who is responsible for conducting descriptive panels, protocols, and panel
maintenance.
1
This guide is under the jurisdiction of ASTM Committee E18 on Sensory Evaluation and is the direct responsibility of Subcommittee E18.07 on Personal Care and
Household Evaluation.
Current edition approved Sept. 1, 2011Nov. 1, 2019. Published March 2012December 2019. Originally approved in 1992. Last previous edition approved in 20032011
as E1490 – 03.E1490 – 11. DOI: 10.1520/E1490-11.10.1520/E1490-19.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E1490 − 19
3.2.4 pick-up, n—stage during which the product is manipulated between the fingers, as it might be after the product is dispensed
onto the finger or lifted from a jar.
3.2.5 reference anchors, n—products that are used to define intensities of a specific attribute.
3.2.6 rub-out, n—stage during which the product is rubbed onto the skin.
4. Summary of Guide
4.1 Overview—This guide describes two approaches to the descriptive analysis of skin care products; technical expertassessor
and consumer behavior approaches. The appropriate approaches for identifying, selecting, and training of assessors to evaluate the
intensity and duration of sensory characteristi
...
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