That Light Modulation ® unit agrees to buy?

The choice is between two units: the versatile and Light-D and one dedicated Tulip MED D.

The difference is only in what the two can do:

Tulip MED D work on soft tissue and has a single Infra Red mask dedicated
E-Light (D) is equipped with three masks: the Infra Red for fabrics and two masks for use in medical aesthetic skin care and deep toning.

Where the study is being planned or carried out interventions of Perioral soft tissue aesthetics, using filler or other products-injectors is certainly advisable E-Light D.