These natural ingredients have beneficial properties for hair growth and health. The nail contains eugenol, a substance that helps stimulate blood circulation in the scalp. This promotes a better supply of nutrients to hair follicles, which in turn can improve their growth. The rosemary is known for its antioxidant and anti-inflammatory properties. This means that it can help fight free radicals and inflammation in the scalp, which can contribute to a healthier and less prone hair to fall.