Which type of haircolor uses an alkalizing agent to lighten and deposit color simultaneously?
Select the correct response:
permanent
temporary
demipermanent
semipermanent



Answer :

Final answer:

Demi-permanent hair dyes use an alkalizing agent to lighten and deposit color at the same time.


Explanation:

Demi-permanent hair dyes use an alkalizing agent, such as ethanolamine or sodium carbonate, to lighten and deposit color simultaneously. They contain hydrogen peroxide for slight lightening but do not lighten hair significantly.


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