Although they serve the same intention, these two methods are quite different and using one or the other will depend hugely on the results that you want to achieve. We’ve listed the main differentiating points to clarify the process and help you chose the treatment that fits your needs best.
The first and most obvious way in which they differ is that they use different technologies to heat up the deep skin tissues. HIFU delivers more precise and more intense fractional ultrasound energy while RF is based on a bulk heating strategy.
Second, each technology works in different, but partially overlapping skin layers. HIFU goes much deeper into and beyond the dermis, being able to reach the SMAS layer. RF, on the other hand, will not go as deep as HIFU. It focuses on epidermal layers and does not go beyond the deep dermis.
Third, while HIFU is generally performed as a single treatment RF may require several sessions. The exact frequency of either of those treatments will depend on the type of device used and your skin conditions such as its current elasticity or your genetic heritage.
Fourth, using ultrasound energy in cosmetic procedures is a relatively new practice. So in terms of aesthetic facial rejuvenation, RF has been around much longer.
WHICH TO CHOOSE FOR YOUR SKIN
As we age our face starts to exhibit a mix of sagging, wrinkling and sinking. Although each person’s ageing style is always unique and should always be addressed individually the following guide explains how different treatments may be more suitable for different types of issues.
If your main problem is sagging and your ultimate goal is “lifting” effect it might be a better idea for you to go for HIFU. The depth of its tissue tightening will allow for more prominent results. Thus, HIFU will be the best choice for tightening loose skin around the jowls, improve the appearance of a double chin or “lifting” the brows.
RF being a less intensive method that penetrates tissues not as deep as HIFU can be a better choice for addressing volume loss or treating delicate areas such as lower and upper eyelids. Thus, if you have no or limited skin laxity, but are losing facial volume you may opt for the RF. It will tighten the skin but also create the effect of more volume especially in the area around the mouth.
Both HIFU and RF boost collagen production and accelerate skin tissues remodelling. Thus, they’re both effective in treating wrinkles and fine lines. The best method for treating the signs of skin degeneration will thus depend on the extent of your skin ageing and the area you want to treat. For this reason, deciding on any treatment type you should always consult a specialist who can professionally asses your facial anatomy and your skin laxity. And only after the physical examination, a specific treatment recommendation can be made.