I remember my Mom telling me when I was 13 years old, not to shave my legs because my pale blonde hairs would grow in thick and black. Unbeknownst to mom, shaving does not change your genetic code. Your hairs will; however, grow in where the razor left off, creating stubble. The number of hairs on your pretty little leg stays the same. Waxing, on the other hand, removes the hair from the root, so new growth begins at the tip of the hair rather than in the middle.