If you have a friend who loves to keep clean, then you should buy one of the gifts suggested by Self. They're meant for germophobes, so your pal should enjoy them!
Buy this clever gift for $20 on uncommongoods.com.
Buy this gift for $10 at spruceandco.com.
Buy this for $40 at drinksoma.com.
Buy this for $10 at jaobrand.com.
Buy this for $12 on etsy.com.