Hyaluronic acid vs biostimulating fillers?

Hyaluronic acid fillers vs biostimulating fillers are both used in aesthetic treatments, but they work differently. Hyaluronic acid fillers mainly add volume, shape or support. Biostimulating fillers encourage gradual collagen production.

The more suitable option depends on your goal, treatment area, skin quality, medical history and the assessment carried out by an experienced practitioner. Neither type is automatically better.

A hyaluronic acid filler may be more suitable when you want more immediate volume or contour. A biostimulating filler may be discussed when the aim is gradual improvement in firmness, skin structure or broader volume loss.

Read more about filler treatments.

Hyaluronic acid fillers vs biostimulating fillers

The main difference is how they produce an effect. Hyaluronic acid fillers use a gel to add volume or support. Biostimulating fillers encourage the body to produce collagen gradually.

Hyaluronic acid fillers

Hyaluronic acid fillers:

• usually provide a more immediate change;

• are often used for volume, shape and contour;

• may be discussed for the lips, cheeks, chin, jawline and facial folds;

• can sometimes be reduced with hyaluronidase;

• may require maintenance as the effect wears off.

Biostimulating fillers

Biostimulating fillers:

• encourage gradual collagen production;

• are often considered for firmness, skin structure or broader volume loss;

• usually develop their effect over several weeks or months;

• may require a planned course of treatment;

• cannot usually be dissolved in the same way as hyaluronic acid fillers.

Neither category is always better. The choice should be based on the intended result, the treatment area and the practitioner’s assessment.

Read more about comparing filler treatments.

Which type of filler may suit your goal?

Do not choose a treatment only because a product or brand is well known. The intended result and treatment area are more important.

A hyaluronic acid filler may be more suitable to discuss for:

• lip volume or definition;

• more immediate volume;

• shaping the chin, jawline or cheeks;

• softening certain facial folds;

• a treatment that may sometimes be reversible.

A biostimulating filler may be more suitable to discuss for:

• gradual collagen stimulation;

• supporting skin firmness;

• changes in skin structure;

• broader facial volume loss;

• a result that develops gradually.

For more extensive volume loss, a practitioner may discuss one filler type, a combination treatment or another approach.

A consultation is needed to assess the product, amount and technique that may suit your facial structure and expectations.

Read more about facial volume loss.

When might hyaluronic acid fillers be considered?

Hyaluronic acid fillers are commonly discussed when the aim is more immediate volume, shape or contour.

They may be used in areas such as:

• the lips;

• cheeks;

• chin;

• jawline;

• nasolabial folds;

• marionette lines.

Some practitioners also use hyaluronic acid fillers in the tear trough area. This is a specialist treatment area and is not suitable for everyone.

Can hyaluronic acid fillers be dissolved?

Some hyaluronic acid fillers can be broken down using hyaluronidase. This does not mean that every correction is simple or complete.

A suitably qualified medical practitioner should assess:

• which product was used;

• where it was placed;

• the symptoms or concern;

• whether dissolving is appropriate.

Read more about hyaluronic acid fillers.

When might biostimulating fillers be considered?

Biostimulating fillers are more often discussed when the aim includes gradual collagen stimulation rather than only adding immediate volume.

They may be considered for:

• reduced skin firmness;

• changes in skin structure;

• collagen loss;

• broader facial volume loss;

• support across larger treatment areas.

Examples include calcium hydroxylapatite products, such as Radiesse, and poly-L-lactic acid products, such as Sculptra or Lanluma. These products do not all work in exactly the same way and are not suitable for every area.

Why does the result develop gradually?

Part of the effect develops as the body produces new collagen. This process takes time, so the full result is usually assessed over several weeks or months.

Can biostimulating fillers be dissolved?

Biostimulating fillers cannot usually be dissolved in the same way as hyaluronic acid fillers. Management depends on the product, treatment area and type of concern.

Careful patient selection, product choice and injection technique are therefore especially important.

Read more about biostimulating fillers.

Examples of filler categories

Are biostimulating fillers better than hyaluronic acid fillers?

Biostimulating fillers are not automatically better than hyaluronic acid fillers. They are intended for different purposes.

Hyaluronic acid fillers are often more suitable for immediate volume, lip treatments or specific contour changes. Biostimulating fillers are more often discussed for gradual collagen production, skin firmness and broader volume loss.

The decision may depend on:

• your treatment goal;

• the area being treated;

• your skin quality;

• the location and extent of volume loss;

• whether you want a faster or more gradual change;

• the available correction options;

• your medical history;

• the practitioner’s assessment.

Is hyaluronic acid a biostimulator?

Hyaluronic acid fillers are not usually classed as traditional biostimulators. Their main purpose is to add volume, shape or support.

Biostimulating fillers are primarily intended to encourage gradual collagen production. Their timing, uses and correction options are therefore different.

Risks, side effects and correction options

Both hyaluronic acid and biostimulating fillers can cause side effects. Many reactions are temporary, but some symptoms require prompt medical assessment.

Possible side effects include:

• swelling;

• bruising;

• redness;

• tenderness;

• itching;

• lumps or unevenness;

• asymmetry;

• infection;

• inflammatory reactions;

• nodules;

• delayed reactions;

• vascular complications.

A vascular complication can occur if blood flow in an area is affected. It is uncommon but requires urgent assessment.

Contact the treating clinic promptly if you develop increasing pain, unusual skin colour changes, severe swelling or symptoms that become worse rather than better. Visual symptoms require urgent medical attention.

Some hyaluronic acid fillers may be reduced with hyaluronidase. Biostimulating fillers cannot normally be corrected in the same way.

The practitioner’s training, product choice, assessment and injection technique are important for both categories.

Read more about filler side effects.

Aftercare following filler treatment

Always follow the aftercare advice provided by the treating clinic. Instructions can differ according to the product, technique and treatment area.

You may be advised to avoid or limit:

• pressure on the treated area;

• strenuous exercise;

• saunas and excessive heat;

• alcohol;

• facial treatments;

• massage unless instructed.

H3: Product-specific aftercare

Some biostimulating fillers have specific massage instructions. This does not apply to every product.

Only massage the treated area when the practitioner has clearly advised you to do so.

When should you contact the clinic?

Contact the clinic if you experience:

• increasing or severe pain;

• unusual skin colour changes;

• severe or worsening swelling;

• signs of infection;

• increasing redness or heat;

• persistent or growing lumps;

• symptoms that do not fit the expected recovery.

Seek urgent medical assessment for severe symptoms or visual changes.

How to choose a filler practitioner

Choosing between hyaluronic acid and biostimulating fillers requires an assessment of your facial structure, skin quality and treatment area.

Look for a practitioner who has suitable training, relevant experience and appropriate insurance. Where applicable, check that the practitioner appears on the relevant professional register.

During the consultation, check whether:

• your medical history and previous treatments are discussed;

• the practitioner explains why a particular filler may suit your goal;

• the product name and type are clearly identified;

• the expected timing and limitations of the result are explained;

• risks and side effects are discussed;

• facial balance is considered rather than only adding volume;

• correction options are explained;

• the full treatment cost is clear;

• follow-up arrangements are available.

A responsible practitioner should also explain when treatment may not be suitable.

Read more about choosing a filler practitioner.

Compare clinics for filler treatments

Compare clinics and practitioners who offer different types of filler treatment.

During a consultation, ask which option may suit your goal, skin quality, treatment area and preferred timing of the result.

Also compare:

• practitioner qualifications and experience;

• the product being proposed;

• aftercare and follow-up;

• correction options;

• the full treatment plan;

• how costs are calculated.

Before-and-after photographs may help you understand a practitioner’s approach, but results vary between individuals.

How much do hyaluronic acid and biostimulating fillers cost?

Costs vary according to:

• the filler category;

• the product used;

• the amount required;

• the treatment area;

• the practitioner’s experience;

• the clinic;

• the number of sessions;

• the follow-up and aftercare provided.

Hyaluronic acid fillers are often priced by the syringe or millilitre. Biostimulating fillers may be priced by the syringe, vial, product or treatment session.

Do not compare the two categories using only one advertised price. A treatment plan involving one syringe may not be comparable with a planned course of several sessions.

Ask the clinic to explain:

• how much product is included;

• how many sessions may be needed;

• whether a review is included;

• whether follow-up treatment may be required;

• what aftercare is provided.

View filler costs for more information.

Frequently asked questions about hyaluronic acid and biostimulating fillers