This is a completely normal stage when switching to our products. We call this the detox process. During this time your hair and scalp are releasing the years of chemical build-up and your scalp may be over or under producing it's oils. Over time your hair and scalp will be chemical free and your scalp will properly regulate it's oils. The detox period can last anywhere from 3 days to 6 months, but generally lasts about a month and a half to three months. During the detox process your hair may be flaky, dry, matted, oily, or waxy. You will want to be sure you are washing twice when you wash and diluting the shampoos 50/50 with water. If your scalp is very dry and flaky you will want to do oil treatments with the Euro Oil a couple times a week. You will want to apply the Euro Oil to the scalp and hair, leave it in overnight, and shampoo out in the morning. To speed up the detox process you will want to do the Zen Detox once a week for three weeks, taking the fourth week off, and repeating this process until your detox is over. You will want to brush with a boar bristle brush and massage the scalp 2-3 times daily to get rid of build-up clogging the hair follicle, evenly distribute your hairs oils, and promote blood flow in these areas.