Dermal fillers are gels or compounds which get injected into the face to fill in creases, folds, and deep wrinkles, volumise an ageing face, and lift the cheeks. We rate fillers for viscosity and elasticity, which is also called G Prime. Fillers with high G Prime offer a better structure than fillers with low G Prime, and the higher the G Prime in the filler, the better the lift, as it’s firmer and tends to keep its shape.
The viscosity in fillers, relates to the flow and how spreadable the filler is. The thicker the filler, the better it keeps its shape, while a thinner filler will be more fluid. The G Prime or elasticity, describes how the filler retains its shape against facial movements, like when you’re smiling and frowning.
There are many different types of fillers on the market. Some fillers are thick and firm, and some are softer and more runny. Things that distinguish injectable fillers include; the elasticity and how well the material sticks together, the G prime and its ability to withstand gravity and facial movements and how well the filler spreads.
Dermal fillers used at for facial injections are hyaluronic acid based or calcium hydroxylapatite fillers such as;
Radiesse which is a calcium hydroxylapatite based filler.
Hyaluronic acid is the most common type of filler used in cosmetic treatments, and it’s also a substance that’s found naturally in our bodies. Babies have lots of hyaluronic acid and this is why they have plump, round cheeks. As we grow old, we lose volume in our face, causing the cheeks to deflate and excess skin to fall toward the jaw line, giving us sagging jowls and wrinkles. If you imagine your face is a balloon that’s being slowly deflated, well, dermal fillers can help to re-inflate it.
A higher G Prime means a higher degree of thickness, and the thicker fillers are able to give more lift. Fillers with lower G Primes are softer and spread through the tissues easier and they move better within the face.
For nasolabial folds, adding definition to the chin and cheek enhancement; a filler with a high G Prime is a better choice to lift and contour, because it can lift and support the skin and surrounding structures. A lower G Prime has thinner flowing gel and is better suited for areas near the eyes and the lips, because it’s more fluid.
Thicker dermal fillers with high G Prime help to restore the skin, giving it the underlying structural support that it lacks, while thinner G Prime fillers are best for smoothing and softening, and not supporting.