How many times a day should I wash my tattoo?

I got my first one today and my tattoo artist told me to wash and moisturise it 4-5 times a day. Well I’m new to tattoos and obviously don’t know much but I’ve done quite a lot of research before I got it done and that sounds a bit excessive to me? It’s a small one, nothing huge, just fine lines no shading or anything like that. Any input?

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