CH 20 VOCAB #3

Weak physical side bonds that are also the result of an attraction between opposite electrical charges; they are easily broken by water (wet setting) or heat (thermal styling), and they re-form as the hair dries or cool

• Hydroxide Relaxers

• Hydrogen Bonds

• Salt Bonds

• Disulfide Bonds

An acid-alkali neutralization reaction that neutralizes (deactivates) the

alkaline residues left in the hair by a hydroxide relaxer and lowers the pH

of the hair and scalp; hydroxide relaxer neutralization does not involve

oxidation or rebuild disulfide bonds

• Hydroxide Neutralization

• Hydroxide Relaxers

• Keratin Proteins

• Lanthionization

Very strong alkalis with a pH over 13; the hydroxide ion is the active

ingredient in all hydroxide relaxers

• Hydroxide Relaxers

• Hydrogen Bonds

• Hydroxide Neutralization

• Keratin Proteins

Long, coiled polypeptide chains

• Low-pH Waves

• Loop Rod

• Lanthionization

• Keratin Proteins

Process by which hydroxide relaxers permanently straighten hair;

they remove a sulfur atom from a disulfide bond and convert it into a

lanthionine bond

• Lanthionization

• Keratin Proteins

• Hydrogen Bonds

• Disulfide Bonds

Also known as circle rod; tool that is usually about 12 inches long with a uniform diameter along the entire length of the rod

• Straight Rod

• Convex Rod

• Concave Rod

• Loop Rod

Perms that use sulfates, sulfites, and bisulfites as an alternative to

ammonium thioglycolate

• Metal Hydroxide Relaxers

• Hydrogen Neutralization

• Relaxers

• Low-pH Waves

Ionic compounds formed by a metal (sodium, potassium, or lithium) which is combined with oxygen and hydrogen

• Hydroxide Relaxers

• Base Relaxers

• Metal Hydroxide Relaxers

• No-Bade Relaxers

Relaxers that do not require application of a protective base cream

• No-Base Relaxers

• Hydroxide Relaxers

• Base Relaxers

• Hydroxide Neutralization

Conditioners with an acidic pH that restore the hair’s natural pH before the final neutralizing shampoo

• Peptide Bonds

• Normalizing Lotions

• Hydrogen Bonds

• Permanent Waving