If a line is present at rest, Botox can reduce its depth
https://padlet.com/marceloollie819kiftr/bookmarks-4axq3vgcya37mhlm/wish/4b3zaM0A5LA6W2j7
If a line is present at rest, Botox can reduce its depth, but combining with filler may be needed for full correction depending on skin elasticity and age.