Firstly check your insurance, you can decide from there. Personally I don't have an issue with waxing preteens, although I'm yet to be asked to do a bikini ..
I have had few preteens come in for underarm and leg waxing, but its mostly underarm! ( usually from girls who do a lot of swimming) Which I'm sure they will be grateful for in later Iife lol!!
The parents (usually mum) have to stay in the room at all times.
IMO (and I have kids) its much better to establish a good routine with regards to underarms/ eyebrows etc ...,
Some girls are much hairier than others and I started waxing / threading my friends daughter (eyebrows, lip , underarm) at the age of 10, as it was incredibly noticeable and was getting her teased! So we decided it was best to tackle it professionally as she would have no doubt ended up using a Razer!!
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