Please help me! I just noticed this, this morning! What is it?!

Alexis β€’ Im 23, you can call me Lexi πŸ’• First time mommy to a baby girl πŸ‘ΆπŸ½πŸŽ€ Was pregnant with identical twin girlsπŸ’• Guardian Angel πŸ‘ΌπŸ½ 4/26/17 Miracle Baby πŸ’•πŸŽ€ 12/13/17

I noticed this on my daughters head this morning! Idk what it is. I thought it was a fuzzy from my comforter but its not coming off! Shes 2months and some change.