Unlike Botox, fillers are more affected by summer conditions. It is about the risk of swelling, the effect of heat and optimal timing.
Heat + fillers = more swelling
Hyaluronic acid (HA) binds water. In heat, the body's fluid retention and the blood flow in the skin increase. The result: more swelling immediately after treatment and in the days that follow.
Faster breakdown in heat?
There is some evidence that a higher tissue temperature marginally increases HA breakdown[1]. Practical significance: probably a week or so shorter duration during an intense summer, nothing dramatic.
Areas by risk
| Area | Summer risk | Recommendation |
|---|
| Lips | High (swelling) | 3 weeks before travelling |
| Tear trough | Very high | Avoid June–August |
| Cheekbones | Moderate | 3–4 weeks before travelling |
| Jawline | Low | 2–3 weeks before travelling |
| Nasolabial folds | Low | 2 weeks before travelling |
Why the tear trough is particularly risky
The eyelid area has thin skin and is prone to swelling. Combined with summer heat and fluid retention, the result can be puffiness instead of improvement. Book in October instead.
After treatment — summer-specific
- No sun, sauna or exercise for 24h
- No direct sun exposure on the treated area for 1 week
- SPF50 daily
- Ice after treatment reduces swelling more than usual
- Increase fluid intake — helps HA function
Do you feel your fillers "disappeared" after the holiday?
Often it is not breakdown — rather, the surroundings (tanned skin, summer photography, different levels of swelling) make the result less visible. Evaluate in normal weather.
← Back to the main guide
