Soft, Natural-Looking Lips
What is Restylane Kysse?
Restylane Kysse is a next-generation hyaluronic acid (HA) dermal filler formulated exclusively for the lips and perioral area. It is injected into the lips and the lines around the upper lip to temporarily increase fullness, refine lip shape and smooth vertical lip lines (perioral rhytids) in adults over 21 years old.
The filler uses Galderma’s XpresHAn™ technology, which creates a soft, flexible gel that integrates seamlessly into the lip tissue. This allows the lips to stay expressive and mobile—so they still look and feel like your own lips, just with better definition and volume.
Restylane Kysse also contains a small amount of lidocaine (0.3% w/v) to increase comfort during injection.
Compared to generic fillers used “off-label” in the lips, Restylane Kysse is specifically studied and approved for this area, with clinical data showing improvements in lip fullness, texture, colour and patient satisfaction that can last up to 1 year.
Key Benefits of Restylane Kysse
Naturally Fuller, Softer-Looking Lips
Restylane Kysse adds smooth, controlled volume to thin or deflated lips, enhancing body and shape without an overfilled or “stiff” appearance, thanks to its soft, flexible HA gel.
Better Definition & Lip Shape
By precisely supporting the lip borders and cupid’s bow, Kysse refines lip contour, improves asymmetry and creates a more balanced, harmonious smile.
Improves Lip Texture & Colour
Clinical studies show that Restylane Kysse can improve the texture and surface smoothness of the lips, as well as subtly enhance natural lip colour, giving lips a fresher, more youthful look.
Smooths Upper Lip Lines
Beyond the lip body itself, Restylane Kysse can be placed in the fine vertical lines above the upper lip (perioral lines), helping soften “barcode” lines that can age the mouth area.
Expressive, Kissable, Long-Lasting Results
XpresHAn™ technology allows the filler to move naturally with your facial expressions, so lips stay soft and “kissable” while maintaining enhancement for up to 1 year in many patients.
How Restylane Kysse Works
Hyaluronic Acid with XpresHAn™ Technology
Restylane Kysse contains stabilised hyaluronic acid, a sugar molecule naturally found in the skin that attracts and holds water—crosslinked to form a smooth, flexible gel. XpresHAn™ technology tailors the filler’s structure to move and stretch with dynamic areas like the lips.
Precise Injection into the Lips & Perioral Lines
Using fine needles or cannulas, the doctor injects small amounts of the gel into different parts of the lips (body, border, cupid’s bow) and, when needed, into lines above the upper lip. Placement and volume are customised to your anatomy and goals—whether subtle refinement or more noticeable plumpness.
Immediate Volume & Hydration
Once placed, the HA gel immediately supports and gently expands the lip tissue, giving instant volume and contour. At the same time, its water-attracting properties help hydrate and smooth lip surfaces.
Natural Movement Over Time
As swelling settles over the following days, the filler integrates with your own tissue. The lips remain soft and mobile, with results that can last up to 12 months, depending on individual metabolism, lifestyle and the amount of product used.
Treatment Indications
Restylane Kysse is ideal for patients seeking lip enhancement with a natural feel and movement, rather than dramatic overfilling.
Common Concerns
- Naturally thin lips or lips that have lost volume with age
- Desire for a more defined cupid’s bow and lip border
- Asymmetrical lips or lack of shape in profile view
- Vertical lines around the mouth (smoker’s lines / lipstick lines)
- Dull, dry-looking lips with poor texture or colour
Typical Treatment Areas
- Upper and lower lips (body and border)
- Cupid’s bow
- Perioral lines (vertical lines above the upper lip)
Your BeauLife doctor will assess your facial proportions, lip anatomy and skin quality to recommend the most suitable filler, dosage and injection plan for you.
Frequently Asked Questions
How is Restylane Kysse different from other lip fillers?
Restylane Kysse is specifically designed for the lips and perioral area. Using XpresHAn™ technology, it creates a soft, elastic gel that integrates with the lip tissue and moves naturally with expressions, helping avoid a stiff or “duck lip” appearance while still providing noticeable volume and definition.
What is the main ingredient in Restylane Kysse?
The main ingredient is stabilised hyaluronic acid (HA), a substance found naturally in the body that helps maintain moisture and elasticity in the skin. The formulation is crosslinked to last longer than naturally occurring HA and includes lidocaine to improve comfort during injections.
When will I see results, and how long do they last?
You will see fuller, more defined lips immediately after treatment. Mild swelling is normal and typically subsides within a few days as the final shape settles. Clinical studies show that Restylane Kysse can provide improvement for up to 1 year in many patients.
Is there any downtime?
Most patients can return to daily activities shortly after treatment. Temporary side effects such as swelling, redness, tenderness or bruising around the injection sites may occur and usually resolve within a few days. Your doctor will provide specific aftercare advice, such as avoiding strenuous exercise, heat and excessive sun for the first 24 hours.
Is Restylane Kysse safe?
Restylane Kysse is an FDA-approved HA filler with established safety data when used as directed by trained medical professionals. However, like all injectables, it carries potential risks, including bruising, swelling, infection, lumps or, rarely, more serious complications. A detailed consultation and proper injection technique are essential to minimise these risks.
Who is a suitable candidate?
You may be a good candidate if you:
- Would like fuller, more defined lips with a natural look and feel
- Want to smooth fine lines around the mouth
- Prefer a minimally invasive treatment with short downtime
Restylane Kysse may not be suitable if you are pregnant or breastfeeding, have severe allergies, active skin infections, bleeding disorders, or a history of significant reactions to HA fillers. Your BeauLife doctor will assess your medical history and treatment goals before recommending any procedure.
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