What are Best Oils for Natural Black Hair? Fancy, expensive products aren’t always necessary. Sometimes all you need is a simple oil to seal in moisture, make your hair softer, stronger and shinier. It’s really important to not allow your hair to become too dried out, because you can strip it of its natural oils, as well. Here is a list of the best oils for natural black hair. Castor oil has to top the list. This oil promotes hair growth, prevents thinning hair and prevents scalp infections. It has a learning curve as it is quite thick, sticky and