Do you have any advice to prevent my hair from falling out?

The first thing I would recommend is that you look carefully at you hair and scalp to try and identify for yourself whether or not you have signs of hair breakage, which is common among those who have fine hair that has been repeatedly chemically treated (particularly if the hair is dry or shows other signs of damage). You may need to enlist the assistance of a friend or family member to help you scan your whole head. For More Details: Lace Wigs, Hair Extensions