I have been using this product every other night (since the first week of December 2013), adding it to my castor oil and I can honestly say that it does work. My hair is thicker and is growing! I have been trying to grow back my edges for the past 3 years without any joy, but this product is actually making them grow back. The smell is absolutely horrid but as it is 'my miracle oil' and doing its job, I really don't care. All in all, an excellent product!