The rebate offer is a sales gimmick. It is a lie. I spent almost 1 hour to register on their website. It didn't work. Then, I had to call and waited at least 30 minutes to talk to someone named ...

For best results, BIOLAGE recommends pairing this shampoo with its full density conditioner. Designed and formulated by a physician, this scalp microbiome shampoo promotes a healthy scalp for ...