An applicator, comprising: a first syringe barrel comprising a first sidewall; a first piston; a first proximal end; and a first distal end; wherein the first piston seals the first proximal end of the first syringe barrel and is slideable within the first syringe barrel; and the first distal end is configured to attach to a first adapter; a second syringe barrel comprising a second sidewall; a second piston; a second proximal end; and a second distal end; wherein the second piston seals the second proximal end of the second syringe barrel and is slideable within the second syringe barrel; and the second distal end is configured to attach to a second adapter; a first adapter comprising a first removable vial housing portion comprising a first piercing structure; a first syringe housing portion attached to the first distal end of the first syringe barrel; a first fitting configured to attach to a tip; a first valve; a first fluid pathway connecting the first syringe barrel to the first valve; a second fluid pathway connecting the first vial housing portion to the first valve; and a third fluid pathway connecting the first fitting to the first valve; a second adapter comprising a second removable vial housing portion comprising a second piercing structure; a second syringe housing portion attached to the second distal end of the second syringe barrel; a second fitting configured to attach to a tip; a second valve; a fourth fluid pathway connecting the second syringe barrel to the second valve; a fifth fluid pathway connecting the second vial housing portion to the second valve; and a sixth fluid pathway connecting the second fitting to the second valve; a tip comprising a first inlet, a second inlet and an outlet, wherein the first inlet is connected to the first fitting, and the second inlet is connected to the second fitting; a first component in the first syringe barrel; a second component in the second syringe barrel; and characterized in that the applicator further comprises a gas pump, wherein the gas pump is a built-in component of the applicator; wherein the gas pump is adapted to assist with fluid movement within the applicator or from the tip or both. a first syringe barrel comprising a first sidewall; a first piston; a first proximal end; and a first distal end; wherein the first piston seals the first proximal end of the first syringe barrel and is slideable within the first syringe barrel; and the first distal end is configured to attach to a first adapter; a second syringe barrel comprising a second sidewall; a second piston; a second proximal end; and a second distal end; wherein the second piston seals the second proximal end of the second syringe barrel and is slideable within the second syringe barrel; and the second distal end is configured to attach to a second adapter; a first adapter comprising a first removable vial housing portion comprising a first piercing structure; a first syringe housing portion attached to the first distal end of the first syringe barrel; a first fitting configured to attach to a tip; a first valve; a first fluid pathway connecting the first syringe barrel to the first valve; a second fluid pathway connecting the first vial housing portion to the first valve; and a third fluid pathway connecting the first fitting to the first valve; a second adapter comprising a second removable vial housing portion comprising a second piercing structure; a second syringe housing portion attached to the second distal end of the second syringe barrel; a second fitting configured to attach to a tip; a second valve; a fourth fluid pathway connecting the second syringe barrel to the second valve; a fifth fluid pathway connecting the second vial housing portion to the second valve; and a sixth fluid pathway connecting the second fitting to the second valve; a tip comprising a first inlet, a second inlet and an outlet, wherein the first inlet is connected to the first fitting, and the second inlet is connected to the second fitting; a first component in the first syringe barrel; a second component in the second syringe barrel; and characterized in that the applicator further comprises a gas pump, wherein the gas pump is a built-in component of the applicator; wherein the gas pump is adapted to assist with fluid movement within the applicator or from the tip or both.