old postage stamps. Follow old postage stamps to get e-mail alerts and updates on your eBay Feed. Unfollow old postage stamps to stop getting updates on your eBay Feed. Yay! You're now following old postage stamps in your eBay Feed.
For hair growth, be sure to get a balanced diet with Vitamin C, Biotin (i.e. Vitamin B7 or Vitamin H) and Niacin (Vitamin B3). If you cannot get enough of these vitamins in your diet, you may need to take a vitamin supplement for hair growth.
Several studies have found that vitamin D may help activate hair growth. However, D is a tricky vitamin. Few foods contain it naturally, and although sitting in the sun for a few minutes a day can help your body produce more of it, many experts advise against it due to the increased exposure to harmful UV rays.