ASTM_E_2049_-_12.pdf

Designation:E204912Standard Guide forQuantitative Attribute Evaluation of Fragrance/Odors forShampoos and Hair Conditioners by Trained Assessors1This standard is issued under the fixed designation E2049;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide covers standardized procedures for the quan-titative sensory assessment of fragrance/odor intensity orattribute intensity of fragrances in shampoo or hair conditionerbase through all stages of use(point of purchase,lather,in use,wet hair after rinse,and dry hair)under laboratory conditionswith trained assessors.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard addresses the use of hair products and theequipment needed to use these products.This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:2E253 Terminology Relating to Sensory Evaluation of Mate-rials and ProductsE1207 Guide for Sensory Evaluation of Axillary Deodor-ancyE1593 Guide forAssessing the Efficacy ofAir Care Productsin Reducing the Perception of Indoor MalodorE2082 Guide for Descriptive Analysis of Shampoo Perfor-mance3.Terminology3.1 Definitions:3.1.1 assessor,na general term for any individual re-sponding to a stimuli in a sensory test.3.1.2 subject,nan individual recruited to participate in astudy to serve as a sample carrier,and to use,consume,orexperience the test sample.The sample evaluation is completedby an assessor.3.1.3 hair swatches,nsample tresses of human hair thatserve as sample carriers.4.Equipment4.1 The following equipment may be used during thepreparation or evaluation processes,or both:4.1.1 Hair Swatches,prepared as described in 12.2,4.1.2 Aluminum Foil Sheets,4.1.3 Beakers,1000 mL,4.1.4 Blow Dryer,specifications should be documented(forexample,wattage,voltagepowerlevel,airvelocity,temperature),4.1.5 Combs,4.1.6 Glass or Plastic Bottles,4 oz(120 mL),4.1.7 Pipets,4.1.8 Scale,4.1.9 Towels,cloth or paper,or both,4.1.10 Unfragranced Shampoo Base or Detergent,4.1.11 Vinyl or Plastic Gloves,and4.1.12 Water(temperature and hardness should be consis-tent).5.Summary of Guide5.1 Thisguideprovidesamethodologyfortheidentification,selection,and training of assessors for theevaluation of the intensity and duration of the odor/fragranceattributes of shampoos or hair conditioners,or both.This guidedescribes sample preparation and evaluation techniques fromcontainers(point of purchase),hair swatches,and whole heads.(Related materials include Terminology E253,Guide E1593,Guide E2082,and MNL 26.3)1This guide is under the jurisdiction of ASTM Committee E18 on SensoryEvaluationand is the direct responsibility of Subcommittee E18.07 on Personal Careand Household Evaluation.Current edition approved Oct.15,2012.Published November 2012.Originallyapproved in 1999.Last previous edition approved in 2006 as E2049 06.DOI:10.1520/E2049-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3ASTM MNL 26,Sensory Testing Methods:Second Edition,ASTMInternational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA19428-2959.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.Significance and Use6.1 This guide can be used to quantitatively assess theintensity of specific attributes of hair fragrance.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 toexclude alternate procedures that may effectively provide thesame or similar results.7.Selection of Subjects and AssessorsGeneralRequirements7.1 Assessors may be recruited within a company or fromthe local community.The choice to use employees allows acompany to have assessors on site and keep proprietarysamples and information on site.The use of local communityresidents allows a company to have a more dedicated andavailable panel,schedule more panel time,and provides asmaller risk of attrition,both short and long term,because ofjob commitments and other priorities.7.2 If candidates are recruited from the local community,recommendations include contacting community groups,plac-ing newspaper ads and an announcement on the recruitingcompany