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Esthetics > Chapter 3 EN > Flashcards

Chapter 3 EN Flashcards

1
Q

Acneic

A

Acne skin condition involving infected lesions

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2
Q

Alipidic

A

Lacking oil

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3
Q

Bacteria

A

Micro organisms that cause disease

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4
Q

Collagen

A

A protein fiber that gives shape and form to the skin

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5
Q

Comedogenic

A

An ingredient that causes pimples and blackouts

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6
Q

Dehydrated

A

Lacking water

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7
Q

Dermal matrix

A

Middle layer of the skin that contains structure and strength

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8
Q

Desmosomes

A

Hair like structure that helps hold down dead and dying skin cells

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9
Q

Dry

A

Lacking oil. Same as alapidic

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10
Q

Desincristation

A

To soften and emulsify pore debris

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11
Q

Detergent

A

To clean and remove fats, also defatting

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12
Q

Elastin

A

Highly elastic protein that allows skin to maintain its shape

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13
Q

Epidermis

A

Top layer of the skin

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14
Q

Free radicals

A

Unstable molecules degrade body tissues

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15
Q

Keratinized cells

A

Skin cells that have received the protein keratin, reached the epidermis and died

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16
Q

Natural barrier function

A

A collection of lipids and humectants that protect the skin from water loss and free radical damage

17
Q

Natural moisturizing factor

A

When the natural barrier function works to protect skin

18
Q

Glycosaminoglycans

A

Collection of saccharides, lipids, and humectants that protect collagen and elastin and promote healthy interstitial fluid

19
Q

Humectants

A

Water binding ingredients

20
Q

Interstitial fluid

A

The fluid between body cells

21
Q

Peptide bonds

A

2 amino acids joined together

22
Q

Propionibacterium acnes

A

The bacteria that causes acne

23
Q

Stratum corneum

A

Top layer of the epidermis

24
Q

Stratum corneum bonds

A

Desmosomes and natural moisturizing factor that hold down dead skin cells

25
Q

Synovial fluid

A

Protective fluid of the joints

26
Q

Functional ingredients

A

Ingredients that allow products to be user friendly, apply smoothly smell and look good with skin friendly PH level

Surfactants
Emulsifiers
Fatty acids
Fatty alcohols
Preservative and antioxidants
Buffering agents
27
Q

Surfactants

A

Detergents that break up oils, fats and other debris . Also called defatting agents or slipping agents (allowing product to move smoothly over skin)

28
Q

Anionic surfactant

A

Negative charge-

Strong cleaners found in laundry detergent and dish soap

29
Q

Cationic surfactants

A

Positive charge-

Strong cleaners with some conditioning properties. They should not be used in products intended for the face. Predominantly found in shampoo and hair conditioner. Some have bactericidal properties.

30
Q

Amphoteric

A

Positive or negative charge-

These take on the pH of the water in the solution. Usually extremely mild when used as a foaming agent. These are not strong cleansers or emulsifiers.

31
Q

Nonionic

A

No charge-

Most commonly used as cosmetic surfactants. Used as foaming agents, as stabilizers for heavy creams and emulsions

32
Q

Emulsifiers

A

Chemicals that keep oil and water solutions mixed together. Can also be a surfactant or detergent.

33
Q

Emollients

A

The feel good ingredients that give cosmetics that soft feeling that makes consumers want to use them.

34
Q

Occlusive

A

When an emollient is being used as a skin protector. Meaning it sits on the surface of the skin, never penetrating the epidermis

35
Q

Most common type of emollients

A

Petroleum jelly (Vaseline) and mineral oil

Also silicones ( cyclomethicone and dimethicone)

36
Q

Fatty acids

A

No corrosive fate derived from plants and animals.

Triglycerides that have been broken down by removing the glycerins from fat

Esthetics (8 decks)

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