Try BB Oil Moisturizer with Castor Oil and you'll see why doctors have recommended castor oil for babies hair and skin fofr years. Unlike other oil moisturizers and castor oils, BB Oil Moisturizer with Castor Oil contains over 10,000 mg. of pure castor oil per bottle. BB Oil Moisturizer with castor Oil goes on light. It not only protects your hair against harmful hiot blow drying, the sun and other harsh elements but it will actually condition and beautify your hair in the process. 32 Ounces.