Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Shea Moisture Jamaican Black Castor Oil Strengthen, Grow & Restore Treatment Masque - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Shea Moisture Jamaican Black Castor Oil Strengthen, Grow & Restore Treatment Masque Strengthens and restores resilience to dry, brittle or chemically processed hair. Apply a generous amount to hair and comb thru from roots to ends for even distribution. Leave in for up to 15-20mins