No products will help it grow magically and the best thing to do is to get the ends of your hair trimmed regularly as this will promote healthy natural hair growth.
Something that can help though is when you wash you hair massage the scalp thoroughly as this will promote blood flow that will help the hair to grow naturally. Done several times a week it should really help you and the hair will soon start to flourish. Hair can go through phase of growth so your might just be on a lull at the moment so you might want to think about a really healthy diet for a few months as it will give you all the correct vitamins and nutrients that will also help.
