Healthy Skin
Healthy skin should be slightly moist, soft, smooth, and _______.
What is slightly acidic?
This skin function allows you to feel heat, cold, pressure, and pain.
What is sensation?
The skin's first line of defense against germs and environmental damage.
What is protection?
This is the deepest layer of the skin.
What is the subcutaneous layer (hypodermis)?
The dermis has these two layers.
What are the papillary and reticular layers?
Why do estheticians study skin physiology?
What is to understand how the skin functions and choose appropriate treatments.
What is the body's largest organ?
What is the skin?
This function helps cool the body through sweating.
What is heat regulation?
Water loss through evaporation from the skin is known as:
What is TEWL (Transepidermal Water Loss)?
This layer contains blood vessels, nerves, glands, and hair follicles.
What is the dermis?
This layer contains collagen and elastin and is responsible for skin strength.
What is the reticular layer?
An esthetician primarily works on this layer of skin.
What is the epidermis?
Name two appendages of the skin.
What are hair, nails, sweat glands, or oil glands?
This function involves the release of sebum from oil glands.
What is secretion?
Cells that produce melanin are called:
What are melanocytes?
This layer is about 80% fat.
What is the subcutaneous layer?
This layer connects the dermis to the epidermis.
What is the papillary layer?
Knowing skin physiology helps prevent these two treatment mistakes.
What is improper product selection and inappropriate treatments.
What protein gives the skin strength and helps with wound healing?
What is collagen?
This function removes waste through perspiration.
What is excretion?
Melanin helps protect the skin from these rays.
What are UV rays?
The dermis is approximately how many times thicker than the epidermis?
What is 25 times thicker?
The protein responsible for elasticity in the skin.
What is elastin?
True or False: Healthy skin always means flawless skin.
What is False?
What is the protective film made of sebum, sweat, lipids, and water called?
What is the acid mantle?
This function allows certain ingredients and topical products to enter the skin.
What is absorption?
The lipid material between skin cells that helps prevent water loss.
What is the intercellular matrix?
The dermis supplies the skin with oxygen and nutrients through these structures.
What are blood vessels and lymphatic channels?
Damage to collagen and elastin is commonly caused by these three things.
What are UV exposure, smoking, and environmental damage?
Name all six functions of the skin.
What is Sensation, Protection, Heat Regulation, Excretion, Secretion, Absorption.