Stretch marks, or what is commonly known to dermatologists as striae, is one of the ugliest condition that the skin can develop. Usually, it develops when the body grows quickly, such as the case with gaining weight. The stretch marks are formed when the dermis cannot catch up or deal with the stretching, meaning its elasticity is not flexible enough to cope with the stretching. The dermis tears and wherever the skin has reddened is the area most likely that stretch marks will occur. If not prevented earlier, one has to the option of removing stretch marks by surgery.