Whether it’s from age or from losing a large amount of weight, loose skin is usually just an excess of subcutaneous body fat covered by skin. depending on your skin type, age, genetics, and many other factors, losing a lot of weight often means that your skin may not retract back to your small frame. When you lose a substantial amount of weight, depending on your skin’s condition, age, genes, and other factors, your skin may not retract back to your lighter body frame. Saratoga Facial Aesthetics has treatments that involve devices that use radio-frequency technology to provide optimal skin contraction in the deep layers of your skin.