After @ , @ , and @ days : ( @ ) skin sagging of the face contours was decreased by -@ @ , -@ @ , and -@ @ mm , respectively ; ( @ ) skin sagging of the cheekbones contours was decreased by -@ @ , -@ @ , and -@ @ mm , respectively ; ( @ ) cheekbones volume was increased by @ @ , @ @ , and @ @ mm , respectively ; ( @ ) wrinkle volume was decreased by -@ % , -@ % , and -@ % , respectively ; and ( @ ) wrinkle depth was decreased by -@ % , -@ % , and -@ % respectively .