Bald patches on your head can be embarrassing and make you feel self-conscious. Millions of Americans suffer from hair loss, which happens when your hair follicles shut down and stop producing keratin. Keratin is the chemical that is responsible for growing your hair, so without it, you cannot grow hair, and bald patches develop. You get bald patches when you don't eat a healthy diet, are stressed, are sick, or--most commonly--have inherited the condition. You can grow hair fast on a bald patch on your head by hydrating your body, consuming protein and taking the correct medication.

Use minoxidil on your bald patch to grow hair fast. Minoxidil is an over-the-counter medication that you can buy at almost any pharmacy. MayoClinic.com recommends minoxidil to grow hair quickly on a bald patch 2.

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Go to your dermatologist to undergo steroid injections. Steroid injections are the most effective way to grow hair on bald patches. Your dermatologist will insert a needle full of steroid solution into your scalp. That steroid solution will block your hair follicles from causing damage to themselves. The steroid solution will also help your skin cells produce keratin again, which will grow hair on your bald patch. MayoClinic.com recommends this method to grow hair on your bald patch 2.

Eat protein. Protein is essential for filling your body with the right nutrients so it can grow hair on your bald spot. Eat a serving of protein at every meal. Good examples are yogurt, tofu and eggs.

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Drink water to hydrate your body. When your body is dehydrated, your cannot get enough nutrients to start producing keratin again, which will grow hair on your bald spot. MayoClinic.com says you should drink about 64 oz 2. of water every day.