*** India Real Estate, Delhi Real Estate, New Delhi Real Estate: Other Hair gummies are dietary supplements that contain all the essential nutrients needed by the body for hair growth. Gummies for hair growth and thickness require biotin, vitamin C, zinc, and folate. As it comes in the form of chewable soft candy so it makes the gummies easy and convenient to use. However, it is necessary for people to eat a healthy nutritious balanced diet. And, should not use gummies as a substitute for the diet.