You need a little wax just like you need a few ear hairs -to catch micro particles that could lead to an infection. Don't be too control-freaky about ear wax. If you over-clean your ears, they will just franticly make more wax.
Hydrogen peroxide slightly damages that tender inner ear skin (which leads to more wax to repair it). The water syringe method is not as good as the mini-suction technique (about 600 baht in Chiang Mai).
If you're really waxed to the max, they may put some drops in to make it more liquid and easier to suction out. Hard and soupy ear wax present diff problems.
One time, I went deaf after water got trapped behind the wax after swimming in a pool. It was a 4 hour process to get it out. A dark brown piece, as hard as chocolate and the size of a pea still haunts me.
Interesting problem: I love ear plugs for meditation. I learned not to force them all the way in. I was creating a hard wax buildup right next to my ear drums -which took some extra time and squirmy effort to liquify and get out. I've since moved on to noise cancelation ear buds.