Muscle loss & sunken face due to weight loss injection?
When using GLP-1 agonists (weight loss injections), visible changes in the face can occur as a result of weight loss. Many people notice a gaunt, tired-looking appearance. The main cause is the loss of subcutaneous fatty tissue, which gives the face volume and structure. When this decreases, cheeks appear flatter, contours become sharper, and wrinkles become more pronounced.
A crucial factor is also the speed of weight loss. If it occurs very rapidly, the skin often does not have enough time to adapt, causing it to lose elasticity. Studies also show that part of the weight loss may be due to muscle breakdown, which further exacerbates the gaunt impression.
Inadequate nutrient supply due to severe calorie reduction can also impair skin quality. Overall, the gaunt face is caused by the interplay of fat loss, possible muscle breakdown, reduced skin elasticity, and nutrient deficiencies.

