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First things first, let’s explain what we mean by facial dynamics! Facial dynamics in simple terms are the various facial movements and the speed at which we perform these facial movements when talking or expressing in our day to day lives. So as an injector, a part of achieving the most natural-looking filler results we must be extremely mindful of facial dynamics and the types of fillers we are using to correct certain areas on the face. Fillers are not one-size-fits-all!

The 4th Dimension Of Fillers: Dynamics

The FDA recently approved three new dermal fillers, the RHA® (Resilient Hyaluronic Acid) collection marketed by Revance. These are special in that they are the only hyaluronic acid (HA) fillers on the market that have FDA-approval to adapt to the dynamic demands of the face, so you are beautiful at rest and flawless in motion!

A Quick Guide To The 4th Dimension of FillersResembles Our Natural HA

Dynamic wrinkles and folds appear in areas of the face which move repetitively. RHA is designed to be resilient enough to adapt to your facial movement. Resilient meaning the filler can recoil and spring back to its original shape/position after being bent compressed or stretched. This property helps to make the filler look very natural with facial movement. The only way the collection can perform in this way is due to its Preserved Network Technology, which preserves the HA chain length and intrinsic non-covalent bonds to more closely resemble our natural HA found in our skin.

Meet The Collection

A Quick Guide To The 4th Dimension of FillersThe collection has three different consistencies, RH2, RH3, and RHA4.

  • RH2 is the thinnest of the three and is best for more shallow wrinkles and a great option for the lips.
  • RHA3 is referred to as the workhorse and is useful for intermediate-depth folds and wrinkles such as the marionette lines and the nasolabial folds.
  • RH4 is the strongest of the collection and is best for lifting deeper folds and wrinkles and restoring lost cheek volume.

How Long Do They Last?

Over time, all HA fillers are broken down and the filling effect dissipates. In the RHA clinical trials, which led to their FDA-approval, the collection lasted up to 15 months. So, if it takes 3-4 syringes to achieve optimal correction, in a year you may only need 1 or 2 syringes to “top off the tank.” However, everyone is different regarding the number of syringes are needed to achieve the cosmetic outcome he or she desires. The beauty of this procedure is that you can see the results immediately and therefore you can decide during the injections how much is enough and when to stop. Fillers like RHA are great to use in combination with Botox to achieve your anti-aging goals. With an easy injection session, you can take 4-5 years off and get an instant lift!A Quick Guide To The 4th Dimension of Fillers


  • Only FDA- approved HA filler collection designed for facial dynamics
  • Least modified and most natural HA on the market (newest filler technology)
  • 3 different consistencies to treat multiple areas of the face
  • 15-month duration

If you are still reading I hope you found this content of value! We are super stoked to now be offering this exclusive collection to our patients, as we are one of the first offices in Houston to carry this new technology and can’t wait to share it with you! Feel free to leave your questions or comments below. For pricing call us at 713.850.0240.

Thanks for reading and hope to see you soon!

A Quick Guide To The 4th Dimension of Fillers

Suzanne Bruce, M.D.

Founded SBA in 1997

Dr. Bruce is President of Suzanne Bruce and Associates, P.A. She has been practicing dermatology since 1985. A graduate of Rice University and Baylor College of Medicine, she completed her dermatology residency training at Baylor. She is certified by the American Board of Dermatology and a Fellow of the American Academy of Dermatology. She is a member of the American Society for Dermatologic Surgery, American Society for Laser Medicine and Surgery, Texas Dermatological Society, and Houston Dermatological Society. She is also a member of the Leaders Society of the Dermatology Foundation. Dr. Bruce is a former Vice President of the Texas Dermatological Society and a former President of the Houston Dermatological Society… Read her full bio here.