Hey I got told no alcohol 48hrs before and same with garlic, no make up no jewellery or nail varnish, no herbal tablets apart from Arnica. No aspirin and no smoking 48hrs prior preferably. Also no food 6hrs before and then no water 2hrs before.
Think that’s about it hope this helps x
As for after think it’s just make sure uve got someone look after u for at least the first 24hrs xx