| Cannula Gauge (G) |
Outer Diameter (mm) |
Length (mm) |
Common Uses |
| 18G |
1.2 mm |
38-70 mm |
Used for thick fillers (deep volume restoration, jawline, chin augmentation) |
| 21G |
0.8 mm |
38-50 mm |
Suitable for medium-thickness fillers (cheeks, temples) |
| 22G |
0.7 mm |
38-50 mm |
Ideal for general facial fillers (nasolabial folds, marionette lines) |
| 23G |
0.6 mm |
38-50 mm |
Used for soft tissue augmentation and finer fillers |
| 25G |
0.5 mm |
38-50 mm |
Common for lip fillers and tear trough treatment |
| 27G |
0.4 mm |
25-38 mm |
Used for delicate areas (under-eye, fine lines, mesotherapy) |
| 30G |
0.3 mm |
13-25 mm |
Micro-injections, mesotherapy, PRP (platelet-rich plasma) treatments |