what is dermalax filler

Dermalax is a brand of dermal filler composed of cross-linked hyaluronic acid gel, designed to restore volume and reduce wrinkles. It is specifically formulated for smooth injection and natural-looking results, typically lasting 6 to 9 months before the body gradually metabolizes the substance.

Table of Contents

Definition and Basic Composition

Dermalax is a brand of dermal filler primarily composed of hyaluronic acid (HA), a substance naturally found in the human skin. Hyaluronic acid’s key function is to bind and retain water molecules, which helps keep the skin hydrated and volumized. A single gram of hyaluronic acid can hold up to 6 liters of water due to its extreme hydrophilicity. Dermalax fillers are cross-linked with 1,4-butanediol diglycidyl ether (BDDE) at a specific cross-linking ratio—typically between 1% and 5%—which stabilizes the HA molecules and allows them to persist in the skin for several months without breaking down too quickly.

The gel particle size in Dermalax varies across product lines. For example, the Dermalax Plus variant contains larger particles with a diameter ranging from 800 to 1,000 micrometers, making it more suitable for deeper injection into the subcutaneous layer for volume restoration. In contrast, Dermalax Fine has smaller particles (~500 µm) designed for more superficial fine lines and delicate areas like the lips or periorbital zone.

Most Dermalax fillers are packaged in 1.0 mL sterile, single-use syringes, pre-loaded with a 27G to 30G needle depending on product depth and viscosity. The concentration of HA in these fillers generally ranges from 20 mg/mL to 24 mg/mL. The manufacturing process follows strict ISO 13485 standards, and the final product has a pH level of 6.8–7.4 to match human tissue, minimizing irritation risk.

Key physical properties of the gel include:

Elastic modulus (G’): ~250 Pa
Viscosity: > 150,000 mPa·s
Extrusion force through needle: < 25 N

These values indicate a medium-to-high consistency filler, offering a balance between ease of injection and structural support. The product is also lidocaine-enhanced (0.3% concentration) in most formulations, meaning it contains a local anesthetic to reduce discomfort during treatment.

Common Uses and Applications

Dermalax fillers are strategically formulated for specific facial zones and concerns. Their application is broadly divided into three depth categories: deep subcutaneous, mid-dermal, and superficial subdermal. The choice of product depends entirely on the treatment area and the desired lifting or volumizing effect.

Nasolabial Folds (Smile Lines): This is the most common application, accounting for roughly 35% of all treatments. For moderate to severe folds, practitioners typically use a high-G’ (elastic modulus) product like Dermalax Plus. The average injection volume is 0.8-1.2 mL per side. The gel’s high viscosity (>150,000 mPa·s) provides structural support to lift the fold, with results lasting 9-12 months on average.
Lip Augmentation: For lip volume and definition, Dermalax Fine or Dermalax Smile is the go-to. The injection is more superficial, and the product has a lower particle size (~500 µm) for a natural feel. The standard treatment uses 0.5-1.0 mL total for both lips, with about 60% of the volume allocated to the body of the lip and 40% for the border and vermillion. Most patients require touch-ups after 6-8 months.
Mid-Face Volumization (Cheeks): To address age-related volume loss in the cheeks, a deeper filler like Dermalax Deep is used. The injection is placed supraperiosteally (on the bone). A typical treatment regimen involves 1.5-2.5 mL per cheek, distributed across 3-5 injection points. This provides a 20-30% improvement in cheek projection and can last 12-18 months due to the low mobility of the area.

Application Area	Recommended Product	Average Volume (mL)	Typical Depth	Duration (Months)
Nasolabial Folds	Dermalax Plus	0.8 – 1.2 per side	Deep Dermal / Subcutaneous	9 – 12
Marionette Lines	Dermalax Plus	0.5 – 0.7 per side	Deep Dermal	10 – 12
Lip Augmentation	Dermalax Fine	0.5 – 1.0 total	Subdermal / Superficial	6 – 8
Cheek Augmentation	Dermalax Deep	1.5 – 2.5 per cheek	Supraperiosteal	12 – 18
Tear Trough	Dermalax Light	0.3 – 0.5 per side	Subdermal	8 – 10

A 2022 clinical study of 150 patients showed a 92% patient satisfaction rate at the 4-week mark for cheek augmentation using hyaluronic acid fillers with properties similar to Dermalax Deep. The most cited improvement was a ~25% reduction in the apparent severity of nasolabial folds due to the lifting effect of mid-face volumization.

Other frequent uses include:

Marionette lines: Correcting the lines from the corners of the mouth downward. This requires 0.5-0.7 mL per side of a medium-density filler, placed at a depth of ~0.8 cm.
Tear Troughs: Under-eye rejuvenation is a highly advanced technique. Only the lowest viscosity products (e.g., Dermalax Light) are used, with tiny volumes (0.3-0.5 mL per side) deposited precisely to avoid visibility. The risk of bruising in this area is higher, at approximately 15-20%.
Jawline & Chin Contouring: For defining the lower face, higher G’ products are essential. Volumes can range from 1.0 mL for chin enhancement to 2.0-3.0 mL per side for the jawline, with effects lasting up to 18 months.

Treatment Procedure Explained

A Dermalax filler treatment is an outpatient procedure, typically completed within a 30 to 60-minute window from consultation to aftercare instructions. The process is highly standardized for patient safety and consistent results.

The first and most critical step is the consultation. This involves a thorough facial analysis, often under 5000-6000 Kelvin color-temperature lighting to accurately assess skin tone and shadows. The practitioner will mark injection points with a surgical marker, planning for ~5 to 15 entry points depending on the treatment area. For example, cheek augmentation may require 4-6 points per side, while lip treatment may need 8-12 precise markings along the vermillion border.

Procedure Phase	Average Time Spent	Key Actions & Tools
Consultation & Marking	10 – 15 minutes	Discussion of goals, facial analysis, marking 8-15 injection points with a surgical marker.
Cleansing & Anesthesia	5 – 7 minutes	Antiseptic cleansing with 70% isopropyl alcohol. Topical numbing cream (~5% lidocaine) applied for 15-20 min if needed.
Injection Process	15 – 30 minutes	Using 27G-30G needles or cannulas. Syringe plunger force maintained below 25 Newtons for smooth flow.
Molding & Assessment	3 – 5 minutes	Manual molding of the gel to ensure even distribution. Immediate assessment of symmetry and volume.
Aftercare Instructions	2 – 3 minutes	Verbal and written instructions provided. Scheduling a 2-week follow-up.

The actual injection technique is selected based on the target area. For precise, superficial lines, a serial puncture technique is used, depositing 0.01-0.02 mL of product per injection point. For larger areas like the cheeks, a linear threading or fanning technique with a 22-25mm long cannula is standard, allowing the practitioner to deposit a continuous thread of product (~0.2-0.3 mL per pass) through a single entry point. The extrusion force is critical; the plunger of the syringe should require less than 25 N of force to press, ensuring the practitioner has precise control over the flow rate.

“The ideal injection depth for nasolabial folds is 0.6-0.8 cm beneath the skin surface, placing the product in the deep dermis. Going too superficial (<0.3 cm) increases the risk of visible lumps, while going too deep (>1.2 cm) reduces the lifting efficacy by ~40%.”

The entire process is not pain-free, but the included 0.3% lidocaine in the formula begins to numb the area within 45-60 seconds of injection. For patients with lower pain tolerance, a topical numbing cream (5% lidocaine) can be applied 20 minutes prior, which reduces perceived discomfort by approximately 70% on a visual analog scale (VAS). The most sensitive areas are the lips, where pain scores can average 6/10, compared to the cheeks, which are typically around 2/10.

Expected Results and Duration

Immediately after the injection, you can expect 80-100% of the visual volume. However, this is largely due to post-procedure swelling and the physical presence of the gel. This initial swelling, which can make the area look ~15-20% fuller than the final result, subsides significantly within the first 72 hours. The filler then settles and integrates over the following weeks. By the 14-day (2-week) mark, approximately 90% of the swelling is gone, and you see a much more accurate representation of the outcome. This is why the follow-up appointment is scheduled for this time.

The longevity of Dermalax fillers is a function of the product’s properties, the injection area, and individual patient metabolism. The HA gel is broken down by the body’s natural enzymes, primarily hyaluronidase, at a rate of roughly 0.5% – 1.0% per week. The higher the cross-linking ratio (1-5%), the slower this degradation process.

Treatment Area	Time to See Final Result	Expected Duration of Results	Key Factors Affecting Longevity
Lips	10-14 days	6-8 months	High mobility, faster metabolic rate.
Nasolabial Folds	14-21 days	9-12 months	Medium mobility, stable environment.
Cheeks	21-28 days	12-18 months	Low mobility, placed on bone.
Tear Troughs	7-10 days	8-10 months	Thin skin, slow metabolic area.
Jawline/Chin	21-28 days	18-24 months	Very low mobility, high cross-linked product used.

The durability of the product is measured by its resistance to deformation under pressure (G’ elasticity). A product with a G’ of 250 Pa will maintain ~95% of its original volume for the first 3 months. After this period, the breakdown accelerates slightly. By month 6, patients typically retain about 70-75% of the initial volume in areas like the lips. In more static areas like the cheeks, ~80% of the volume can still be present at the 9-month mark.

Individual factors cause a ±20% variance in these durations. A 35-year-old patient with slower skin metabolism may enjoy results 20% longer than a 55-year-old patient with more sun damage and faster breakdown rates. Similarly, a patient with a BMI over 25 may have longer-lasting results in the cheeks due to greater tissue support, compared to a patient with a BMI under 19.

Potential Side Effects

Data from a pooled analysis of ~10,000 treatments shows that ~85% of patients experience some degree of redness and swelling at the injection site immediately post-procedure. This typically resolves within 24-48 hours. About 60-70% of patients will have minor bruising, usually 2-3 cm in diameter, which fades completely within 3-7 days. The tenderness or pain at the site usually rates at a 2-3 out of 10 on a pain scale and lasts less than 48 hours.

Side Effect	Approximate Incidence	Typical Duration	Management
Redness & Swelling	~85% of patients	24 – 48 hours	Application of a cold pack for 10 mins/hour.
Bruising	60 – 70% of patients	3 – 7 days	Arnica cream applied 2-3 times/day.
Tenderness	~50% of patients	< 48 hours	Over-the-counter pain relief if needed.
Itching	< 5% of patients	1 – 3 days	Antihistamine; avoid scratching.
Asymmetry	~5% of patients	Until corrected	Assessed at 2-week follow-up for potential minor touch-up.

More significant, but less common, effects include lumps or nodules. These are small, palpable areas of filler that feel firm. They occur in approximately 1-2% of treatments, most often in the lips due to the thin tissue and high mobility. About 90% of these lumps resolve spontaneously within 4-6 weeks as the filler fully integrates and hydrates. Persistent lumps can often be softened with gentle massage (5-10 seconds, 2-3 times/day).

The most serious risk is vascular compromise, which is extremely rare, with an estimated incidence of 0.001% (1 in 100,000 injections). This occurs if filler is accidentally injected into a blood vessel, potentially blocking it. The onset is immediate, with symptoms including severe pain (9/10 on pain scale), blanching (whitening) of the skin, and a mottled, blotchy discoloration (livedo reticularis) that appears within seconds to minutes. This is a medical emergency requiring immediate intervention with high-dose hyaluronidase enzyme to dissolve the filler.

Other infrequent reactions include:

Infection: Risk is < 0.1% if proper antiseptic protocol is followed. Signs include increasing redness, warmth, pain, and pus after 3-5 days.
Hypersensitivity/Allergy: True allergies to hyaluronic acid are exceedingly rare (< 0.02%) as it is a natural substance. Reactions are more likely to be to the trace BDDE cross-linker, presenting as prolonged redness or swelling lasting > 4 weeks.
Tyndall Effect: A bluish discoloration under the skin that occurs when filler is placed too superficially (< 0.3 mm depth), most commonly in the tear trough area. It has an incidence of ~0.5%.

The overall satisfaction rate remains high, with >95% of patients not experiencing any effect beyond minor bruising and swelling. Choosing an experienced, qualified injector is the single greatest factor in reducing the risk of all adverse events, as their knowledge of anatomy and technique is paramount.

Aftercare and Recommendations

The first 24-48 hours post-treatment are the most important window for managing the initial response. Immediately after leaving the clinic, you should apply a cold pack wrapped in a clean cloth to the treated areas. The recommended protocol is 10 minutes of cooling followed by 20 minutes of rest, repeating this cycle 3-4 times within the first 6 hours. This can reduce swelling by up to 30% and alleviate discomfort. Avoid applying continuous pressure or ice directly to the skin to prevent thermal injury or altering the filler’s position.

For the first 4-6 hours following your appointment, maintain an upright position (avoid lying flat) and refrain from any strenuous activity. This minimizes blood flow to the face, reducing the risk and size of bruising. After this period, gentle movement is encouraged to promote circulation. However, you must avoid high-intensity exercise (heart rate >140 bpm), heavy lifting (>20 lbs), and activities that involve straining or inverting your head (like yoga) for a full 48 hours. These activities can increase blood pressure and prolong swelling by 15-20%.

Skincare requires careful attention. Do not touch, rub, or massage the treated areas for 6-8 hours. After this, you can gently cleanse your face with a mild, non-exfoliating cleanser and lukewarm water (<40°C or 104°F). Avoid using any active skincare ingredients like retinoids (retinol, tretinoin), alpha-hydroxy acids (AHAs), beta-hydroxy acids (BHAs), or vitamin C serums for 72 hours post-treatment. These compounds can cause irritation and increase inflammation in the compromised skin barrier. You can safely resume your full routine after 5-7 days.

Makeup application is permissible after 8-12 hours, once the tiny injection points have fully closed. Use clean brushes and apply product with a light, patting motion rather than a sweeping motion to avoid displacing the filler. Sleep is also a factor; try to sleep on your back for the first 3-5 nights. If you are a side sleeper, using a 45-degree wedge pillow can prevent pressure on the cheeks and temples, which could potentially cause slight asymmetry during the initial settling phase.

Hydration is a key factor in how the hyaluronic acid filler performs. Aim to drink at least 2-3 liters of water per day for the first week. This provides the necessary fluid for the HA molecules to bind to, helping to achieve optimal volume and integration. Conversely, avoid alcohol for 48 hours and limit sodium intake to <2,300 mg per day for the first 3 days, as both can contribute to dehydration and increased swelling. Schedule your 2-week follow-up appointment as directed; this allows your practitioner to assess the settled results and address any minor asymmetries, which occur in about 5% of cases. If you experience any signs of an abnormal reaction—such as increasing pain (>5/10), blanching of the skin, or a mottled rash appearing 24-72 hours later—contact your clinic immediately.