Me and my daughter tried it. I have short hair, my daughter has hair that goes right beneath her shoulders (so I would say medium-long hair), and my daughter tried it, and they were so uncomfortable and like they felt like they weighed 10 pounds on your hair. It was so uncomfortable to sleep in. They say memory foam but it feels like rocks she said, and it took forever to fall asleep.
When she got up, her curls were nice, but they went straight pretty fast. It says for your hair to be wet, but I would say just spray it with water, not too much though, or it won't curl and won't dry.
I tried it the next day and it gave me a headache the whole night. I could barely fall asleep and when I woke up and took them out they didn't even leave curls! It gave bumps in my hair (and my daughters too), and I had to curl my hair because it didn't even do anything.
I most likely wouldn't recommend this, and I am going to try to return it.
Bottom Line: No, I would not recommend this to a friend
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