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100

The innermost layer of hair:

medulla

100

The coloring matter that provides the natural color to our hair and skin:

melanin

100

Chemistry is the science that deals with the composition, structures, and properties of:

Matter

100

This type of lightener is available in cream, oil and some powder forms:

on the scalp lighteners

100

Non-oxidative haircolor does not change the hair chemically and is used to:

darken color, add subtle tone, and impart shine

200

A neutron is a ___________ particle with zero electrical charge and a mass equal to that of a proton:

neutral

200

Hair as it grows out from the scalp that has not been chemically treated:

new growth

200

The branch of chemistry that deals with products containing carbon:

organic chemistry

200

Quick lighteners are another name for:

off the scalp lighteners 

200

Molecules are two or more atoms _______________ joined, and retain their chemical and physical properties to form matter:

chemically

300

Natural hair dye is a non-professional haircolor, also known as:

vegetable hair dye

300

A patch test displaying rash, hives, swelling or inflammation has a _______________ reaction:

positive

300

Oxidative haircolor creates a chemical change in the hair, providing ______________ haircolor results:

longer lasting

300

A chemical reaction in which the oxidizing agent is reduced, and the reducing agent is oxidized:

oxidation-reduction, redox

300

The chemical reaction in which oxygen is added to an element or compound:

oxidation

400

Potential hydrogen (pH) is the concentrated amount of hydrogen ions in a solution containing:

Water

400

Pheomelanin produces ____________ pigments in the hair:

yellow to red

400

Pigment is what gives color its color; its source can be natural, mineral or:

Chemical 

400

The strongest category of haircolor that can deposit and lighten natural pigments:

permanent

400

Primary colors consist of:

red, yellow, blue

500

Diffusing or lifting the natural hair color to achieve the desired end result: 

pre-lightening

500

Increasing the porosity of the hair by opening the cuticle and allowing for more pigment to be absorbed:

pre-softening

500

A 24 to 48 hour test to check for sensitivity and/or allergic reaction:

predisposition

500

Redox is also known as:

oxidation-reduction

500

Protons are particles in an atom that have a:

positive charge

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