In the croquignole method of wrapping, the hair is wound from

Once in the cortex, the waving solution breaks the disulfide bonds through a chemical reaction called

The most common reducing agents used are

If too many _______________ bonds are broken in the perming process, the hair will be too weak to hold a firm curl.

End wraps are absorbent papers used to _______________ of the hair when wrapping and winding hair on the perm tools.

In neutralization, the bonds in the hair are re-formed _______________.

Sodium hydroxide relaxers are commonly called _______________.

One safety precaution for hair relaxing is to avoid _______________ the scalp with the comb or fingernails.

The action of a sodium hydroxide relaxer causes the hair to _______________.

The process of breaking the hair’s disulfide bonds during processing and converting them to lanthionine bonds is known as _______________.

The processing time of a chemical relaxer is affected by _______________.

The chemical required to stop the action of the chemical relaxer is a _______________.

The strength of relaxer is determined by the strand test. General guidelines suggest that for fine, tinted, or lightened hair, the following strength is used: _______________.

When performing a sodium hydroxide retouch, where is the product applied first?

This innermost layer of hair does not play a role in chemical texture services, and is often called the core of the hair.

What is used to restore the hair and scalp to their normal acidic pH?

The process of chemically altering the natural wave pattern of the hair is;

Chemical hair texturizers temporarily raise pH of the hair in order to?

The two methods of wrapping the hair around a perm rod are

The main active ingredient in true acid and acid-balanced waving lotions is;

Waves that are activated from an outside heat source are considered;

The process that stops the action of permanent wave solution and rebuilds the hair into its new form is;

The process of rearranging the basic structure of curly hair into a straighter or smoother form is

A combination of a thio relaxer and a thio permanent wrapped on large rods is a;

Chemical services should not be performed if the scalp analysis shows any signs of;

The wrapping technique that provides the most control over hair ends is the;

Rods that are equal in diameter along their entire length or curling area are;

What layer of hair has purpose of surrounding the inner layers & protecting hair from damage

Located directly beneath cuticle layer, gives hair incredible strength and elasticity

Inner most layer of hair, often called the pith or core of hair?

The term pH is an abbreviation for potential _, and the symbol pH reps the quantity of _ ions

_ measures acidity/alkalinity of a substance by measuring the quantity of hydrogen ions.

The range of numbers used in the pH scale is

What are the basic building blocks of hair that affect how chemical solutions react?

Chemical bonds (end bonds), join amino acids together, end to end in long chains 2 form polypeptide

Which compounds are made up of carbon, oxygen, hydrogen, nitrogen, and sulfur?

What are long, coiled polypeptide chains linked together end to end like beads?