Saturn by GHC derma roller helps to stimulate blood circulation in the scalp and nourish the hair follicles with essential nutrients such as vitamins, iron, and oxygen. When these nutrients reach the bulb, they help not only in hair growth but also promote thicker, stronger and shinier hair. So, one can expect an overall improvement in their hair growth, strength, length and shine. With regular use of derma roller, you can see visible changes within a few weeks of application which can be maintained for years to come with consistent use of this product.