Jamaican Black Castor Oil Hair Treatment Mask Benefits This Shea Moisture Jamaican Black Castor Oil Mask is a deep conditioning mask you'll want to have on hand, as it quickly restores strength and resilience to damaged, brittle, or chemically treated hair. Prevents excessive chipping and hair loss. As a regenerating treatment, this special blend of hair-friendly oils and proteins supports healthy follicle growth for better overall hair health. Perfect for those who regularly dye, straighten, perm or style their hair with heat devices. Also perfect for frizzy, curly or wavy natural styles. Supports hair elasticity. Peppermint stimulates the scalp and provides an invigorating experience. Leaves hair soft, manageable and shiny. Useful for hair types: 3A 4A 3B 4B 3C 4C