infant donut pillow

https://www.evernote.com/shard/s450/sh/731b2926-ebab-4150-b12a-b66ea774ae36/01f02e4855d5650a67cc7e538800f5fd

The baby loves the pillow. She seems very comfortable sleeping on it. Have been using the pillow for a month and noticed one a very slight improvement in the flat head . Maybe this pillow is better for prevention