Perming knowledge

State the Ph value of hair

• 4.5-5.5

• 7.1-9.1

• 7-14

• 3.8-5.5

State the shampoo used before perming

• Acidic balanced

• Ph neutral

• Alkaline cleanser

• Lemon based

Which part of the hair is affected when perming

• Medulla , cuticle

• Cuticle , cortex

• Cortex only

• Cuticle only

State the Ph of acidic perms

• 6.8-6.9

• 7.1-9.5

• 5.5-6.5

• 6.5-10.5

State how Alkaline affects the cuticle

• Closes

• Lifts

• Stiffens

• Breaks

Acidity affects the hair cuticle by..

• Opening it

• Stiffening it

• Closing it

• roughening it

Creeping oxidation is caused by

• Using the wrong perm lotion

• Not conditioning after neutralising

• Not using proper pre perm shampoo

• Leaving lotion on too long

What does perm lotion release in order to mould the hair around the rod

• Oxygen

• Hydrogen

• Sulphur

• Nitrogen

What does neutraliser release to fix the curl

• Sulphur

• Hydrogen

• Oxygen

• Nitrogen

What bonds are broken in the cortex to make hair curly

• Tempory

• Salt

• Permanent

• Semi permanent