* Vitamin C: Vitamin C is an antioxidant that helps to protect the hair from damage caused by free radicals. It also helps to produce collagen, which is a protein that is essential for healthy hair growth.
* Vitamin E: Vitamin E is another antioxidant that helps to protect the hair from damage caused by free radicals. It also helps to improve blood circulation to the scalp, which can promote hair growth.
* Zinc: Zinc is a mineral that is essential for healthy hair growth. It helps to regulate the production of hormones that are involved in hair growth.
* Iron: Iron is a mineral that is essential for red blood cell production. Red blood cells carry oxygen and nutrients to the scalp, which are necessary for healthy hair growth.
* Protein: Protein is essential for healthy hair growth. It is the building block of hair, and it helps to strengthen the hair shaft and prevent breakage.