So I usually do this with my hair dry because i like the results on my hair best, but wet works too! It will just take longer to dry of course :)
All you need is this!
Hold your hair in a pony tail
And twist to the ends. I take my hair and keep twisting it up wards, then bring it forward like so
Start circling it around into a bun from the forward position
Secure with hair tie!
The tighter you twist it, the more wavy it is. And the tighter it is, the less time it needs to stay in a bun.
You can wear it to sleep or even just an hour! Usually when I wear it tightly twisted for an hour I get these results :)
Thanks for viewing! Hope it works for you :) if you have any questions ask!! I'd be happy to help. Ps: my hair is naturally straight.
NEW: After doing the bun dry, I slept in it over night and flipped my hair a couple times and this is the result. Noticeably wavier than the photo before!