Rosemary oil is another popular choice for hair growth. It improves circulation in the scalp. This helps deliver nutrients to hair follicles. Some studies suggest it works as well as some hair growth ...
Canola oil is also very high in healthier unsaturated fats. It's higher in the omega-3 fatty acid alpha-linolenic acid (ALA) than any other oil except flaxseed oil. ALA is particularly important ...