Recent ProfessorsNot yet assignedRecent SemestersNo scheduled sections on recordClass SizeNot publishedCredits8PrerequisiteCOS 141 , or COS 141A and COS 141B . Transfers ToNot transferableDescriptionA continuation of the theory of professional haircutting and hairstyling techniques and procedures introduced in COS 141 . Lectures, demonstrations and practical experience in the following areas: haircutting including the use of shears, razors, electrical clippers and trimmers, and thinning shears, shampooing, hair analysis, blow drying, curling, nonchemical straightening, and dressing.