Does hair product work better in a hair that has been relaxed or non-relaxed?

Let's say the garnier hair product. Does it work better on a hair that has already been relaxed or non-relaxed? Lets say you just want to boost up your curls and stuff...





This would really help if someone answerDoes hair product work better in a hair that has been relaxed or non-relaxed?
It depends on the product. Some products are made especially for chemically altered hair.