If you’ve lost a lot of weight in a short amount of time, you probably have some saggy skin. This is true for everyone from new mothers to middle-aged people. It may be frustrating for you to see it, but it doesn’t necessarily require surgery to correct. Try these solutions first. 1. Monitor your weight loss. Dropping a lot of weight at one time can be bad for you, not just for your health, but in general, it can make your skin sag. One of the ways to tighten skin after weight loss is to lose your weight gradually. 2. Increase your water intake. Water intake is always proven to be healthy during weight loss but this not only helps in weight loss but also during the whole process, by nourishing the cells and the skin so that the saggy-ness in the skin is not excessive 3.