Yes, you can use heated styling tools, however we would not recommend using tools exceeding 180 degrees on human hair extensions, as this can compromise their condition. If you are wearing synthetic hair extensions, extra care is needed – while some types are heat-friendly, you should always keep the temperature below 160 degrees and avoid applying heat for long periods, as this can damage or compromise the fibres.
We have some articles on our website that go into further detail about –
Can I Use Heated Styling Tools On My Hair Extensions
Can High Heat From Hair Straighteners Affect The Colour Of My Hair Extensions?