Pivot Point 8 (102.11-102.13)

102.11

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matter

-refers to anything that occuies space and has weight

colids

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liquids

-form of matter having definite weight and volume, but no definite shape

gases

-form of mattter having definite weight but indefinite volume and shape

physical change

-a change in the physical characteristics of a substance without creating a new substance

chemical change

-a change in a substance that creates a new substance with chemical characteristics different from those of the original substance

keratin

-a protein that accounts for 97% of the makeup of hair

hydrogen bond

-side bond that works on the principle that unline charges attract
-can easily be broken by heat or water
-makes up about 35% of hair's strength

chemistry

-the scientific study of matter and the physical and chemical changes of matter

organic chemistry

-deals with all matter that is now living or was alive at one time, with carbon present, such as plants and animals

inorganic chemistry

-studies all matter that is not alive, has never been. Aline and does not contain

element

-basic substances that cannot be broken down into simpler substances

atom

-the smallest complete unit of an element

proton

-positively charged particle in the nucleus of an atom

neutron

-particle with no electric charge found in the nucleus of an atom

electron

-negatively charged particles that orbit around the nucleus of an atom

molecule

-two or more atoms joined together by a chemical bond

compound

-molecule formed when two or more different atoms combine chemically

amino acid

-building blocks of protein

protein

-formed by amino acids
-hair is a form of protein called keratin

peptide bond

-chemical bond formed by two amino acid molecules where amino end attaches to acid end
-aka end bond

side bond

-bond formed when amino acids are lined up side by side

salt bond

-side bond that helps organize protein chains
-can easily be weakened by water leaving hair more pliable

van der waals forces

-a slight attraction that develops between the oppositely charged regions of nearby molecules

102.12

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potential hydrogen (pH)

-a numerical measurement that indicated the acidity or alkalinity of a water-based substance

acid

-water based solution measuring more positive hydrogen ions than negative hydroxide ions
-measures less than 7 on the pH scale

alkali

-water based solution measuring more negative hydroxide ions than positive hydrogen ions
-measures higher than 7 on the pH scale

neutral

-indicates equal number of positive hydrogen ions and negative hydroxide ions
-measures 7 on the pH scale

pH scale

-a logarithmic scale that ranges from 0-14
-substances with a pH less than 7 are acidic
-substances with a pH more than 7 are alkaline
-substances with a pH of 7 are neutral

pH meter

-determines the pH value of a solution

indicator paper

-a strip of paper coated with a combination of indicators to measure the approximate pH of a solution

indicator

-a compound that changes color in the presence of an acid or a base

liquid

-form of matter having definite wight and volume, but no definite shape

pH balanced

-a product with a pH from 4.5-5.5 (average pH range of hair, skin, and nails)

102.13

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Cream rinse

-used to soften, add shine and smoothness to the hair while making the hair tangle free for ease in combing

Medicated rinse

-product used to control minor dandruff and scalp conditions

Conditioner

-special chemical agent applied to the hair to deposit protein or moisturizer to help restore hair strength, give hair body, or to protect hair against possible breakage.

Instant conditioner

-a conditioner that can be rinsed out right after application

Body building conditioner

-used to displace excess moisture, providing more body to the hair
-made from protein

Customized conditioner

-used to moisturize and build body

Moisturizing conditioner

-used to add moisture to dry, brittle hair

Dimethicone

-found the conditioners
-gives softness to the feel of hair without weighing it down

Emulsion

-two or more nonmixable substances united with the help of a binder

Fatty alcohol

-ingredient found in conditioners
-gives hair a smooth feel when dry and makes it easier to comb
-creamy in texture and helps retain moisture

Humectant

-chemical that increases the ability of embalmed tissue to retain moisture

Water

-universal solvent

Normalizing conditioner

-used to close the cuticle after alkaline chemical services

Solution

-a mixture that forms when one substance dissolves another

Solute

-a substance that is dissolved in a solution.

Solvent

-a liquid substance capable of dissolving other substances

Suspension

-mixtures of two or more kinds of molecules that will separate if left standing

emulsion

-two or more nonmixable substances united with the help of a binder

ointment

-mixtures of organic substances asnd medicinal agent, usually found in a semi solid form

Soap

-mixtures of fats and oils converted to fatty acids by heat and the purified

Surfactant

-used to remove oil from hair
-also called surface active agent

Hydrophilic

-refers to the water loving part of a molecule

Lipophilic

-refers to the oil-loving part of a molecule

Concentrated solution

-solution that contains a large quantity of the solute in comparison to the quantity of solvent

Saturated solution

-solution that cannot take or dissolve any more solute than it already holds

Dilute solution

-solution that contains a small quantity of the solute in comparison to the quantity of solvent

Universal solvent

-water

Miscible

-describes two liquids that are soluble in each other

Immiscible

-liquids that are not soluble in each other

Acid mantle

-a layer of oil and sweat found in the sebaceous glands-keeps the skin smooth, prevents dirt and grime from entering the outer layer of the epidermis and also prevents the skin from drying or chapping -protects the cuticle or outer covering of the hair fi

Soft water

-rainwater or chemically softened water that contains only small amounts of minerals and, therefore, allows soap and shampoo to lather freely

Hard water

-water that has certain dissolved ions in it - predominately calcium and magnesium ions

Shampoo

-a preparation to be used for cleansing the hair; the act of cleansing hair.

Plain shampoo

-cleanse normal hair but not recommended for chemically treated or damaged hair

pH balanced shampoo

-shampoo that is balanced to the pH of skin and hair (4.5 to 5.5)

Aerosol dry shampoo

-absorbs oil at the roots
-used by clients wanting to extend the time between shampoos and add texture

Non aerosol powder dry shampoo

-cleanses the hair of clients whose health prohibits them from receiving a wet shampoo service
-absorbs oil and distributes oil as the product is brushed through the scalp and hair

All purpose shampoo

-used to cleanse the hair without correcting any special condition

Anti dandruff shampoo

-used to control dandruff and other scalp conditions

Clarifying shampoo

-used to remove residue such as product buildup

Color shampoo

-used to enhance color-treated hair and tone noncolor-treated hair temporarily
-available in a variety of colors

Medicated shampoo

-prescribed by the client's doctor to treat scalp and hair problems and disorders such as minor dandruff conditions
-may affect color-treated hair

Neutralizing shampoo

-restores the hair to its 4.5-5.5 pH by neutralizing any remaining alkaline values
-used generally in conjunction with a chemical relaxing service

Strengthening protein additive shampoo

-cleanses and conditions
-deposits protein fragments along the hair shaft

Conditioning shampoo

-used to improve the tensile strength and porosity of the hair

Liquid dry shampoo

-used to cleanse the scalp and hair for clients who are unable to receive a normal shampoo
-effective in cleaning wigs and hairpieces

Soapless shampoo

-used to cleanse hair with either soft or hard water

Thinning hair shampoo

-used to cleanse the hair without weighing it down

Rinse

-help close the cuticle of hair and makes hair feel soft and manageable

Vinegar-lemon (acid) rinse

-used to keep the cuticle compact, remove soap scum, return the hair to its pH balance

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