I love ASMR!
Especially I like tapping and scratching books. When people show their self care products, what's in their bags, I watched some showing various teas as well. Ear massage is good, too. And I like roleplays of all kinds (except for doctor roleplays - can't understand how a visit to a doctor can be relaxing, I'd get panic from it).
I don't watch very often but from time to time it can be very relaxing.