2025-2026 General Catalog 
    
    Aug 08, 2025  
2025-2026 General Catalog
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COS 224 - Trichology and Chemistry


Class Hours: 1 Lab Hours: 3 Credit Hours: 2
Prerequisites: None
Corequisites: None
This course is a study of hair and the interaction of applied chemicals. Emphasis is placed on pH actions and the reactions and effects of chemical ingredients. Upon completion, students should be able to demonstrate an understanding of chemical terminology, pH testing, and chemical reactions on hair.



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