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Jul 04, 2025
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COS 1027 - Preclinic Chemical Control and Haircolor Credits: 4 Hours/Week: Lecture 2 Lab 4 Course Description: This course provides an introduction to cosmetology chemicals, haircolor, and their applications. This includes curl reformation, permanent waving, soft curl perming, chemical relaxers, and temporary, demi-permanent, permanent haircolor, as well as hair lightening and corrective color. Students must be able to perform physical tasks to complete course requirements. MnTC Goals None
Prerequisite(s): Course placement into ENGL 0950 and RDNG 0950 or above OR completion of RDNG 0940 with a grade of “C” or higher OR course placement into ESOL 0041 and ESOL 0052 and ESOL 1033 OR completion of ESOL 0031 with a grade of “C” or higher and ESOL 0042 with a grade of “C” or higher and ESOL 0043 with a grade of “C” or higher. Corequisite(s): None Recommendation: None
Major Content
- Temporary hair color
- Semi-permanent hair color
- Permanent hair color
- Lightening hair color
- Ingredients in chemicals
- Selecting proper chemicals- client consultation
- Permanent wave chemicals/wraps
- Processing of permanent waves
- Chemicals used for relaxing highly textured hair
- Procedure for relaxing highly textured hair
- Procedure for soft curl perming
- Safety precautions as related to perming, relaxing, haircolor/high lift systems
- Proper disposal of hazardous waste
Learning Outcomes At the end of this course, students will be able to:
- describe basic knowledge of chemical composition for all chemical hair services.
- demonstrate safe handling, storage, and disposal of hazardous waste.
- describe basic knowledge on different permanent wave and haircolor types.
- demonstrate proper techniques for permanent wave, curl reformation, relaxer, virgin/ retouch color, and high lift systems.
- practice proper safety precautions for chemical application.
- identify proper sanitation practices.
- demonstrate appropriate and effective client communication.
Competency 1 (1-6) None Competency 2 (7-10) None Courses and Registration
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