Colorado Esthetician Written Exam
Study Guide 2026 Questions and Answers
6 Skin Functions - Correct answer-Protection, Absorption, Secretion, Excretion,
Temperature Regulation, Sensation
Absorption - Correct answer-Absorbs water, ingredients, oxygen necessary for
skin's health.
Acids - Correct answer-Substances with a pH below 7.0
Acne - Correct answer-Chronic inflammation of the sebaceous gland. Build up of
cells, oil secretions, and bacteria. Lack of oxygen
Alipidic - Correct answer-Not enough oil
Alkalis - Correct answer-Substances with a pH above 7.0
Allergy Test - Correct answer-Predisposition Test
Alpha Hydroxy Acids (AHA) - Correct answer-Fruit/sugar based acids. Milder in
peels and go only to the epidermis layers
©COPYRIGHT 2025 ALL RIGHTS RESERVED 1
,Alternating Current - Correct answer-Rapid and interrupted current, flowing in one
direction then in the opposite direction
Amber LED light - Correct answer-helps with wrinkles
ampere (A) - Correct answer-unit that measure the amount of an electric current
(number of electrons through a conductor
Anabolism - Correct answer-Metabolic process of building up larger molecules
from smaller ones
Anagen - Correct answer-New hair growth
Anaphoresis - Correct answer-Infusing a negative (alkaline) products into the skin
Anion - Correct answer-Ion with a negative charge (A-)
Arrector Pili Muscle - Correct answer-Appendage of sweat glands (goose bumps)
Aseptic Procedures - Correct answer-Process of properly handling sterilized and
disinfected equipment and supplies
Asymptomatic - Correct answer-Showing no symptoms or signs of infection
Atoms - Correct answer-Particles from which all matter is composed
©COPYRIGHT 2025 ALL RIGHTS RESERVED 2
, Automatic Nervous System (ANS) - Correct answer-Controls the involuntary
muscles; regulates the action of smooth muscles, glands, blood vessels, heart, and
breathing.
Bacilli - Correct answer-Short rod-shaped bacteria
Bacteria - Correct answer-Single cell microorganisms
Bactericidal - Correct answer-Kills bacteria
Banding - Correct answer-Threading
Basal Cell Carcinoma - Correct answer-most common and least severe; open sores,
reddish patches
Beta Hydroxy Acids (BHA) - Correct answer-Salicylic acid (exfoliate)
Blue LED light - Correct answer-best for acne, kills bacteria
Catabolism - Correct answer-Complex compounds within the cells are broken
down into smaller ones
Catagen - Correct answer-Hair detaches from papilla (shortest phase) transition
stage. Hair grows upward and detaches from the dermal papilla.
Cataphoresis - Correct answer-Infusing a positive (acid) product into the skin
Cation - Correct answer-Atom with a positive charge (C+)
©COPYRIGHT 2025 ALL RIGHTS RESERVED 3
Study Guide 2026 Questions and Answers
6 Skin Functions - Correct answer-Protection, Absorption, Secretion, Excretion,
Temperature Regulation, Sensation
Absorption - Correct answer-Absorbs water, ingredients, oxygen necessary for
skin's health.
Acids - Correct answer-Substances with a pH below 7.0
Acne - Correct answer-Chronic inflammation of the sebaceous gland. Build up of
cells, oil secretions, and bacteria. Lack of oxygen
Alipidic - Correct answer-Not enough oil
Alkalis - Correct answer-Substances with a pH above 7.0
Allergy Test - Correct answer-Predisposition Test
Alpha Hydroxy Acids (AHA) - Correct answer-Fruit/sugar based acids. Milder in
peels and go only to the epidermis layers
©COPYRIGHT 2025 ALL RIGHTS RESERVED 1
,Alternating Current - Correct answer-Rapid and interrupted current, flowing in one
direction then in the opposite direction
Amber LED light - Correct answer-helps with wrinkles
ampere (A) - Correct answer-unit that measure the amount of an electric current
(number of electrons through a conductor
Anabolism - Correct answer-Metabolic process of building up larger molecules
from smaller ones
Anagen - Correct answer-New hair growth
Anaphoresis - Correct answer-Infusing a negative (alkaline) products into the skin
Anion - Correct answer-Ion with a negative charge (A-)
Arrector Pili Muscle - Correct answer-Appendage of sweat glands (goose bumps)
Aseptic Procedures - Correct answer-Process of properly handling sterilized and
disinfected equipment and supplies
Asymptomatic - Correct answer-Showing no symptoms or signs of infection
Atoms - Correct answer-Particles from which all matter is composed
©COPYRIGHT 2025 ALL RIGHTS RESERVED 2
, Automatic Nervous System (ANS) - Correct answer-Controls the involuntary
muscles; regulates the action of smooth muscles, glands, blood vessels, heart, and
breathing.
Bacilli - Correct answer-Short rod-shaped bacteria
Bacteria - Correct answer-Single cell microorganisms
Bactericidal - Correct answer-Kills bacteria
Banding - Correct answer-Threading
Basal Cell Carcinoma - Correct answer-most common and least severe; open sores,
reddish patches
Beta Hydroxy Acids (BHA) - Correct answer-Salicylic acid (exfoliate)
Blue LED light - Correct answer-best for acne, kills bacteria
Catabolism - Correct answer-Complex compounds within the cells are broken
down into smaller ones
Catagen - Correct answer-Hair detaches from papilla (shortest phase) transition
stage. Hair grows upward and detaches from the dermal papilla.
Cataphoresis - Correct answer-Infusing a positive (acid) product into the skin
Cation - Correct answer-Atom with a positive charge (C+)
©COPYRIGHT 2025 ALL RIGHTS RESERVED 3
