How long do i wait before i change to a new hair color product?

if you have just had your hair coloured wait a week to re dye it. dont use a thick moisturizer if you are going to colour it will act as a barrier, shampoo only then condition after you have dyed hair and leave the conditioner on for 5 minutes to re hydrate the hair. Root touch up after 6 weeks, no need to re colour the rest of your hair, this is how people end up with different tide marks through out their hair.How long do i wait before i change to a new hair color product?
as soon as your hair gets longer it needs a re-touch for the roots to get the same color. however, they say it's 6 months.

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