Though I am not a beauty therapist, still have some information for you
How to Avoid Side Effects of Waxing?
Here are some of the important tips to avoid side effects of waxing:
Make sure that before waxing your skin should be perfectly non-greasy and dry.
At least for 24 hours after waxing protect your skin from the direct sunlight exposure.
It is better not to wear tight cloths after waxing.
Immediately after waxing it is advisable to apply cold compresses, ice packs or any soothing lotion especially in case of irritation and redness.
Before applying hot wax on your skin it is better to check its temperature by applying it on the back of your hand.
In case you are taking Vitamin A products for acne like Accutane, Retin A, Differin, etc. or any other medication then it advisable to avoid waxing. Basically your skin becomes prone to tearing.
If your skin sun burnt, infected, broken or irritated then also it is advisable to avoid waxing.
If you approach a professional for waxing then the chances of waxing side effects are almost negligible. Hence it is always better to choose an experienced professional and also make sure that the place is clean and the strips used are disposable.