... but they will make the person feel less desirable to members of the opposite sex. While dating, teenagers usually have hormonal changes that will affect the texture of the skin and some abnormalities like acne can cause unsightly blemishes to form on any area of the body. Cosmetics fix imperfections like this and some will help heal blemishes caused by acne because anti-bacterial agents are built into the cosmetics. Some birthmarks are considered sexually alluring when they appear on the face, and others will make the mark seem like a disfigurement. Birthmarks can be hidden with... ...