Hair Colour Correction Essentials Quiz

Which of the following is a key factor to consider when correcting hair colour?

• The client's shoe size

• The existing hair colour and condition

• The weather outside

• The client's favourite food

What effect do lightening products have on the hair structure?

• They strengthen the hair shaft

• They remove natural pigment and can weaken the hair

• They make hair grow faster

• They add moisture to the hair

Why is it important to carry out tests prior to the colouring process?

• To see if the client likes the smell

• To check for allergic reactions and assess hair suitability

• To waste time

• To make the process longer

How does natural hair pigmentation affect colour selection?

• It determines the best shampoo to use

• It influences the final colour result and product choice

• It has no effect at all

• It only matters for short hair

What is the main purpose of the international colour chart in hairdressing?

• To display different hair styles

• To help select the correct shade and tone for colouring

• To show hair lengths

• To compare hair prices

Which strength of hydrogen peroxide is typically used for maximum lightening?

• 3%

• 6%

• 9%

• 12%

What is a common cause of uneven hair colour after a correction process?

• Even application of product

• Incomplete removal of previous colour

• Using the correct developer

• Following manufacturer's instructions

Why is it important to restore the hair's pH after colouring?

• To make the hair smell nice

• To close the cuticle and maintain hair health

• To lighten the hair further

• To make hair curly

Which of the following is NOT a factor to consider when correcting hair colour?

• Hair porosity

• Previous chemical treatments

• The client's age

• Desired final result

What is the effect of permanent hair colour on the hair structure?

• It coats the hair without penetrating

• It penetrates the cortex and changes the natural pigment

• It only affects the cuticle

• It makes hair waterproof