I am curious about the effects of under-eye filler treatment.

I'm worried because the area under my eyes looks very sunken.
I am stressed because my under-eyes are sunken, making my complexion look dull, and my dark circles look severe.
I'm looking into under-eye fillers because they seem to be quite effective.
I'm curious to know how the under-eye filler treatment turned out.
I am also curious about the dosage that suited you and the duration of the effect.