Permanent Waving Part 1

The pH range of alkaline perms is:

• Between 6 and 6.5
• Between 7.8 and 8.2

• Between 9 and 9.6
• Between 10 and 10.5

Another name for alkaline waves is (a)   waves.

Another name for true acid waves is (a)   waves.

Acid waves are most useful for these types of hair:​ (a)  

Alkaline waves are most useful for these types of hair: ​ (b)  

• damaged
• resistant

The layer of the hair that contains the bonds that must be broken for perming and relaxing to take place is the:

• medulla
• cuticle
• follicle
• cortex

Changing the natural wave pattern of the hair is made possible by the breaking of the:

• end bonds

• side bonds

• ionic bonds
• peptide bonds

The bonds that must be broken for permanent change are:

• disulfide bonds

• hydrogen bonds

• salt bonds

• emotional bonds

The pH range of true acid perms is:

• Between 3.0 and 4.0
• Between 8.0 and 9.0
• between 7.8 and 8.2

• Between 4.5 and 7.0

The most commonly used perms in today’s salons are:

• acid balanced

• true acid

• alkaline

• ammonia free

The major difference between a wet set and a perm is the:

• Type of end bonds broken

• type of side bonds broken

• length of time they are left in

• size of the wrapping tools