Chemical Services – NY Cosmetology State Board Exam
Master chemical services for the New York Cosmetology State Board Exam with 32 targeted flashcards. Covers hair relaxers, perms, hair color, and chemical safety including pH, processing times, and application techniques essential for exam success.
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Preview Questions
Question 1
What level of hydrogen peroxide developer is most commonly used with permanent hair color to lift and deposit color simultaneously?
Answer
20-volume (6%) developer is most commonly used to lift 1–2 levels while depositing color.
Question 2
What is the term for the process of lightening previously colored hair back to its natural base level?
Answer
Color correction or color removal is the process of removing artificial pigment to return hair to its natural level.
Question 3
Which type of hair color deposits pigment only on the outer cuticle layer and fades with each shampoo?
Answer
Temporary hair color coats only the cuticle and is removed with a single shampoo.
Question 4
What is the primary active ingredient in most powder and cream hair lighteners?
Answer
Persulfate salts (ammonium, potassium, or sodium persulfate) are the primary active ingredients in hair lighteners, accelerating the decolorization process.
Question 5
What does the term 'contributing pigment' refer to when lifting natural hair color?
Answer
Contributing pigment (also called underlying or remaining pigment) is the warm tone revealed in hair as its natural melanin is lightened during a color service.
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