RHA Collection photo

What are RHA fillers?

RHA fillers represent a recent breakthrough in cosmetic science, made to adapt to facial movements making them undetectable and natural-looking when the face is moving.  As we age, our skin produces less of its own Hyaluronic acid.  The RHA-Collection of HA fillers are designed to more closely mimic the body's natural HA.  These formulas can provide the skin with nourishing hydration, supple volume, and timeless radiance. 

RHA fillers can work synergistically with neuromodulators (like Botox and Dysport)  to soften and sometimes completely erase dynamic wrinkles due to smiling, frowning, laughing, and squinting.  

RHA Collection photo

What is hyaluronic acid?

Hyaluronic acid is made naturally throughout our bodies.  In aesthetic medicine, we utilize the properties of Hyaluronic acid because it attracts water molecules and helps create smoother skin for a luminous, youthful appearance. With age, one’s supply of HA gradually dwindles, initiating the need for replenishment. When injected in the form of Juvederm, Restylane, and now RHA fillers, hyaluronic acid can beautifully restore fullness, combating dull cheeks, and depletion in the temples and around the eyes.

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What Are the Different Formulations for the RHA Collection?

There are now four different levels of renewal for the RHA Collection, each crafted with a different aesthetic purpose in mind.

RHA Products

RHA Redensity

Redensity is the latest addition in the family of RHA fillers to address one of the most common areas of concern - the fine lines in and around the mouth. Our patients frequently report being bothered by the lines referred to as "smokers or lipstick lines".  Redensity is a weightless option for smoothing these lines. 


RHA2 is the first and only HA filler specifically for dynamic facial wrinkles and folds.  This Hyaluronic Acid filler integrates into the tissue so it does not appear stiff or unnatural when injected into areas that frequently move.  While nasolabial folds and marionette lines are the most common areas treated with RH2, it can be used to treat most facial wrinkles or folds caused by movement.  


RHA 3 was created to reverse moderate to severe wrinkles and folds. It is ideal for filling in deeper entrenched lines and creases, including those known as nasolabial folds. With RHA3, dynamic lines are erased, replenishing self-confidence.


RHA4 is injected into the skin’s deeper layers of superficial subcutaneous tissue to resolve severe wrinkles and folds and ease troublesome dynamic lines. RHA4 can also add volume to areas of depletion, such as the cheeks and temples.

Woman posing and smiling.

What are the advantages of RHA fillers?

  • Made with cross-linked technology for added malleability and adaptability
  • Helps replenish volume lost to the aging process
  • Removes wrinkles, lines, creases, and folds
  • Preserves natural facial expressions and spontaneity
  • Enhances self-confidence and vitality

Who makes a good candidate?

Allergic reactions with RHA fillers are extremely rare since they are formulated with naturally derived hyaluronic acid. This means that most patients make excellent candidates for treatment, provided that they are generally healthy and have a good mental outlook. For those struggling with nasolabial folds, lip lines, marionette lines, and parentheses lines, RHA fillers in Portsmouth, NH can provide unparalleled relief and a more refreshed, inviting look.

RHA Collection promo photo

Why choose About Face Medical Aesthetics?

Personalized, effective care is everything to us at About Face. We wish to create personalized solutions that solve your cosmetic concerns and elevate your quality of life. Ericka McCarron, owner and founder of About Face, is passionate about the field of aesthetics and has extensive skill and knowledge when it comes to the most cutting-edge modalities and technologies of our time. She has years of expertise in administering injections and combating the signs of aging. Patients are drawn to her incredible results and compassionate, thoughtful nature.

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