... Before getting into potential methods of treating and/or preventing excess skin after weight loss, let's explore the phenomenon itself. What exactly is loose, or excess skin?
Most cases of loose skin are actually just cases of excess subcutaneous body fat covered by skin. And because subcutaneous fat is "soft" fat, it is looser and easier to confuse with skin. It droops and jiggles and the skin that surrounds it conforms to its shape. That's not to suggest that legitimately loose skin isn't a real problem, because it is. But I would wager that many if not most cases of loose skin can be explained by overly stubborn deposits of subcutaneous fat. Read more
Is loose skin after weight loss a myth? According to Mark Sisson, most "loose skin" is actually stubborn fat..