Cosmetology Written Exam Prep Questions & Answers 2024

You have lightened your client's hair from Level 5 to Level 9, you then apply a blue based Toner, what is the result: {Ans: it will turn green}what is perimeter? what is interior? {Ans: perimeter-the outer line interior-inner or internal line}what does the pH scale range from? {Ans: 0 (most acidic) to 14 (most basic)}what does the ANS stand for and control? {Ans: autonomic nervous system-controls involuntary muscles}what is koilonychia? {Ans: are soft spoon nails with a concave shape that appear scooped out}what is not a good insulator? {Ans: H2O}