Hyaluronic Acid Fillers

Hyaluronic acid (HA) fillers are injectable fillers which give a smooth, plump and healthy appearance by attracting water into the skin and support to the soft tissues.

Who is it suitable for?

To enhance the shape and volume of the face and improve skin consistency. When injected deeply close to the bony skeleton, HA enhances the cheekbones and temples, provides support to soft tissues for a lifted appearance and improves nasolabial (between nose and mouth) lines. In the lips, HA provides fullness and definition and is useful for treating marionette lines (between mouth and chin).

What is involved?

Before the procedure, a local anaesthetic cream can be applied to the area to be treated but is not commonly necessary as most HA fillers are already combined with a local anaesthetic for added comfort. They last for 6-12 months.

Frequently asked questions

How do I know if this procedure is right for me?

It is important for you to be fully assessed and understand the likely outcome, if your expectations can be achieved, possible unwanted effects, risks, costs and downtime before making a decision about having any treatment. Please discuss what you wish to achieve during your consultation.

How long does the procedure take?

From half an hour.

How much does this procedure cost?

From £400.

Are there any potential side effects?

Common side effects are initial redness and swelling (lasts for a few days) and bruising.

Risks of HA fillers are rare. They include skin necrosis from injection into a blood vessel, visual loss (blindness), overfilling, asymmetry, infection, lumps, blueish discoloration of the skin (Tyndall effect). Visual loss or skin and tissue necrosis can occur with direct injection of the filler into an artery or when a large volume of filler causes local swelling in the tissue that can compress the blood supply. Hyaluronidase can be used to dissolve HA fillers in the management of such complications.


Facial fillers are not given to women who are pregnant or breast feeding or to those under the age of 18 years. Avoid blood thinners for at least one week before treatment to reduce bruising. These include aspirin, warfarin, dipyridamole, clopidogrel, nonsteroidal anti-inflammatory drugs (NSAIDs), fish oil, vitamin E supplements, St John’s Wort, garlic tablets, gingko biloba, and ginseng.

HA fillers are not given to those with a history of hypersensitivity or allergy to lignocaine (local anaesthetic), or where there is evidence of broken skin or an infection (such as acne).

It is necessary to avoid: touching or massaging the treated area, extremes of temperature such as excessive heat (sauna or steam bath, hot drinks) or cold (swimming), alcohol, smoking and vigorous exercises for at least 24 hours after the procedure.

In those who have a history herpes simplex infection (cold sores), there is a risk of reactivation of infection with injections to that area. Please discuss this with your practitioner.

Find out more

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Based in London, Dr Lewis is a highly respected surgeon, with over 30 years experience in helping women feel good about their bodies.

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