Hygiene standards you can demand, and how to verify them in two minutes
You do not need training to audit a mobile beautician; you need two minutes and the willingness to look. When the kit opens, sterilised metal tools should come out of sealed pouches, not loose from a zip bag. Disposables, files, buffers, orange sticks, wax applicator sticks, spatulas for creams, should visibly be fresh, and double-dipping a wax stick into the pot is an automatic fail, because the pot then carries every previous client. Towels should arrive laundered and bagged. Hands should be washed or sanitised in front of you before skin contact, and gloves worn for waxing and any service where broken skin is possible.
Understand the vocabulary, because it is where corners get cut. Cleaning removes visible dirt; disinfection kills most microorganisms on a surface; sterilisation, which requires an autoclave or equivalent, kills everything including spores, and is the standard for metal implements that contact skin repeatedly. A UV cabinet in a bag is storage, not sterilisation. You are not being difficult by asking which of the three a vendor actually does; UAE municipal hygiene rules for beauty establishments exist precisely because the difference is invisible until an infection makes it visible. Vendors who work through reviewed platforms have their repeat business tied to exactly these habits, which is a structural reason marketplace-verified beauticians tend to be more careful than untraceable ones.