TransfermaticCOS at Citrus College

    COS 202 - Chemicals

    Recent Professors
    Rita Tran, Naomi Craig, Maria Fischer, Elisa Perez
    Recent Semesters
    Spring 2027, Fall 2026, Summer 2026, Spring 2026
    Class Size
    Not published
    Difficulty
    8.4Heavyout of 10
    Credits
    8
    Prerequisite
    COS 141 , or COS 141A and COS 141B .
    Spring 2027 Sections
    View Spring 2027 sections of COS 202
    Transfers To
    Not transferable
    Description
    An introduction to the science and theories of hair color, bleach, chemical straighteners, and chemical waves. Lectures, demonstrations and practical experience in the following areas: hair color, bleach, predisposition and strand tests, formulation, color removal, chemical waving, and chemical straightening.
    Usually Held
    Mon Tue 8:00am–2:30pm, Mon Tue 8:00am–3:05pm, Mon Tue 8:00am–2:15pm, Mon Tue 8:00am–2:50pm