Been nesting for a few weeks looking rough

My Hen has been nesting for a few weeks now, she all of a sudden looks rough. She has fresh water and food refreshed daily. Bowls stay at her nest all day and night. She's just looking dry and featherless on her face all of a sudden tho. Is this Anything I need to be worried about? Photos of left and right sides. She does get up daily and roam for bugs.