What is product buildup? Product buildup is basically a gradual accumulation of products on the hair strands. Your hair will look flat and also feel as if it’s coated. Even when your hair has been freshly washed, it will still look dull and dirty with no shine. In addition, your hair will probably be difficult to style. What happens is that the accumulated product doesn’t allow necessary moisture, oils and other nutrients to penetrate your hair. When you have product buildup on your hair, it will remain dryRead More