Are there any side effects when using IPL

It is normal to experience some redness of the skin and some very mild swelling which can last from an hour to 24 hours. Sometimes a blister may appear which is normal for some skin types but quite rare.
In some instances the redness may last a few days and there could be some grazing or 'scabbing' which typically subsides over a short period of time. This is a normal appearance and result when trying to remove superficial skin pigment marks, especially when using stronger settings.
The appearance of the treated area immediately after a session does vary from one person to another. The after effects are usually minor and may include some redness. Most people are able to return immediately to normal activity.