Skin Analysis
Which skin type is most prone to follicular congestion due to increased sebum flow?
Oily
What type of tissue connects muscles to bones?
Tendons
Which system is responsible for eliminating cellular waste products?
Excretory system
What term describes a substance with a pH below 7?
Acid
What ingredient category increases water content in the skin by drawing moisture from the environment or deeper skin layers?
Humectants
During analysis, why is a magnifying lamp preferred over handheld magnification?
It provides consistent lighting and hands-free observation
Which cranial bone houses the ear canal and structures of hearing?
Temporal bone
Which system directly influences skin health through hormone secretion?
Endocrine system
What happens to the pH of a solution when an acid is added?
It decreases
Which beta hydroxy acid is oil-soluble and penetrates pores?
Salicylic acid
A client presents with surface dehydration but active sebaceous glands. How should the skin be classified?
Dehydrated oily skin
Which muscle draws the eyebrows downward and inward, creating vertical frown lines?
Corrugator
What process increases blood flow to the skin’s surface during heat or massage?
Vasodilation
Why are professional exfoliants formulated at a lower pH than home-care products?
To safely increase effectiveness under professional supervision
What ingredient is commonly used to regulate keratinization in acne-prone skin?
Retinoids
What condition involves capillary fragility and requires avoiding heat and aggressive exfoliation?
Rosacea
What muscle is primarily responsible for elevating the upper lip?
Levator labii superioris
What happens to skin cell regeneration as the body ages?
It slows down
What is the chemical difference between organic and inorganic compounds?
Organic compounds contain carbon
Which ingredient supports the skin barrier by mimicking natural lipids?
Ceramides
Why can Fitzpatrick classification not be used alone to determine treatment protocols?
Because it measures UV response, not current skin condition or sensitivity
Why must estheticians avoid excessive pressure over lymph nodes during massage?
To prevent disruption of lymphatic flow and potential swelling
How does chronic stress physiologically impact the skin?
Increased inflammation, impaired barrier function, and delayed healing
How can improper product layering affect chemical reactions on the skin?
It can neutralize actives or cause irritation
Why must ingredient percentages and order of listing be considered during product selection?
Because higher concentrations have greater impact and potential for irritation