What level of Olaplex should I use?

Roberston recommends including a treatment with each salon visit followed with No. 3 every one or two weeks. However, "for moderate to severely damaged hair I would recommend one to two Olaplex Stand Alone Treatments a month, followed by using of No. 3 once a week," she says.

Do you need to use Olaplex 1 and 2 together?

What do you do with a client that has very damaged, over processed hair and they want to color? We suggest doing the Olaplex Treatment (Diluted Olaplex Formula followed by Olaplex No. 2 on their hair first, a couple of times, the days before, if you can. If you're not sure, do a test strand!