Loose skin can be caused by a variety of factors such as weight loss, aging, and pregnancy. There are several modern treatments that can help to tighten and tone loose skin, these include:

Non-surgical skin tightening: there are several non-surgical skin tightening treatments that use heat or energy to stimulate collagen production, which can help to firm and tone the skin. Examples include ultrasound, radiofrequency, and laser treatments.

Surgical skin tightening: procedures such as a tummy tuck (abdominoplasty) or a facelift can remove excess skin and tighten the remaining skin.

Fat transfer: fat transfer, also known as fat grafting, is a procedure in which fat is removed from one area of the body and injected into another area to add volume and fullness. This can be used to improve the appearance of loose skin.

Topical creams and lotions: these products can help to improve the elasticity of the skin and can be used in conjunction with other treatments to enhance their effectiveness.