It is the filling of under-eye circles, which occur due to the emptying of the anatomical space called the tear trough under the eye due to aging and genetic structure, with a filler specially produced for under-eyes, which is a combination of hyaluronic acid, vitamins and peptides. It is called light filler due to the filling effect of hyaluronic acid and the skin-regenerating and illuminating effect of vitamins and peptides .