Get softer, smoother, shinier, gorgeous looking curls and coils with SheaMoisture’s Jamaican Black Castor Oil Strengthen Grow & Restore Shampoo. This gentle cleansing, sulfate-free, color safe shampoo was specially created to bring relief to damaged, brittle, over processed and color treated hair. Straightening, perming or any other style treatment which uses heat, drains hair of natural moisture leaving your curls or coils dry, brittle and prone to breakage.