Achieve silky, soft, and healthy straight hair with the Doo Gro Smooth & Straight Anti-Breakage No Lye Relaxer System in the Super strength. This advanced formula is designed to detangle and straighten natural curls, providing a super-smooth finish without the harshness of lye relaxers. Experience the benefits of healthier, smoother, and straighter hair with the Doo Gro Smooth & Straight Anti-Breakage No Lye Relaxer System Super. This advanced formula utilizes natural ingredients to effectively detangle and straighten curls, leaving you with a super smooth finish. Say goodbye to harsh lye relaxers and hello to manageable and strong locks.