COSMETOLOGY PSI EXAM QUESTIONS AND
CORRECT ANSWERS, LATEST 2025 UPDATE
◉Porosity . Answer: Sliding thumb and forefinger from the ends of the
hair to scalp is testing
◉Toner . Answer: Double process color
◉Metal bowl . Answer: Never mix color/perm/relaxer in a
◉Hydrogen peroxide . Answer: What cant touch metal surfaces
◉Metal . Answer: Never use ____ items during any type of chemical
services
◉No . Answer: Is temporary hair color a chemical change?
◉Physical . Answer: What kind of change is temporary hair color
◉Weaving . Answer: Enlightener/bleach/lightener goes on a foil with
this technique
, ◉Hydrogen peroxide . Answer: Hair color becomes oxidative when
______ ______ is mixed in
◉Cast . Answer: Lighteners applied over metallic (salts) color will have
a greenish _____
◉20 volume . Answer: The most standard and most common oxidative
developer for permanent hair color is
◉Filler . Answer: This is for going DARKER. It will even the porosity
of hair
◉Bleach . Answer: What makes hair lighter
◉Red . Answer: When blondes have greenish tint what color do you use
to cancel it out
◉1/2 inch . Answer: Applying a Virgin lighter you should always stay
_____ inch away
◉Level . Answer: Measures the lightness and darkness
CORRECT ANSWERS, LATEST 2025 UPDATE
◉Porosity . Answer: Sliding thumb and forefinger from the ends of the
hair to scalp is testing
◉Toner . Answer: Double process color
◉Metal bowl . Answer: Never mix color/perm/relaxer in a
◉Hydrogen peroxide . Answer: What cant touch metal surfaces
◉Metal . Answer: Never use ____ items during any type of chemical
services
◉No . Answer: Is temporary hair color a chemical change?
◉Physical . Answer: What kind of change is temporary hair color
◉Weaving . Answer: Enlightener/bleach/lightener goes on a foil with
this technique
, ◉Hydrogen peroxide . Answer: Hair color becomes oxidative when
______ ______ is mixed in
◉Cast . Answer: Lighteners applied over metallic (salts) color will have
a greenish _____
◉20 volume . Answer: The most standard and most common oxidative
developer for permanent hair color is
◉Filler . Answer: This is for going DARKER. It will even the porosity
of hair
◉Bleach . Answer: What makes hair lighter
◉Red . Answer: When blondes have greenish tint what color do you use
to cancel it out
◉1/2 inch . Answer: Applying a Virgin lighter you should always stay
_____ inch away
◉Level . Answer: Measures the lightness and darkness