CORRECT ANSWERS LATEST UPDATE 2026/2027
What length of hair was Charles Nessler's heat permanent waving machine suitable for? -
Answers long
In 1926, the croquignogle method of wrapping hair from ends to scalp was created. What is
another name for this wrapping method? - Answers Overlap
What was the active ingredient used in the first cold wave? - Answers thioglycolate acid
Which phase of perming is the most important? - Answers Physical and chemical phase are
equally important
During a perm service, what determines the size and shape of the new wave or curl pattern? -
Answers Perm rod size
What are the two basic wrapping techniques? - Answers spiral and overlap
What length of hair is used for a spiral technique? - Answers Medium to Long
Partial perms are designed to - Answers Position new texture only where it is desired
What term is used to refer the way perm tools are arranged around the clients head while
wrapping? - Answers Perm pattern
What structure must be permanently broken to change the hair from straight to wavy or curly? -
Answers Disulfide bonds
Alkaline perms carry a pH of: - Answers 8.0-9.5
Which type of perm is recommended for very damaged hair? - Answers Acid
Which of the following perms would process faster? - Answers Alkaline
Which of the following ingredients is not one of the main ingredients in found in most
neutralizers? - Answers Potassium
the pH of Perm Neutralizer will range from - Answers 2.5-7
Which perm tool determines the size and shape of the new curl texture? - Answers Perm rod
Perms that cause minimal swelling and must be wrapped with firm, even tension are - Answers
Acid
The hair characteristics to assess in a pre-perm analysis are porosity, elasticity, texture and: -
Answers density