ForumsAcne and its treatm...General acne discus...Big and hard acne Notifications Clear all Big and hard acne P N 11 MemberMember0(@pn11) Posted : 07/02/2018 10:23 am I had this big and hard acne(1 cm diameter) on my forehead for a week. It started from a small red pain acne but now it is hard but not pain. Will it disappear by itself? How can I get rid of it? Quote Acne V M MemberMember30(@acnevm) Posted : 07/03/2018 12:50 pm Try to use some ice compress in the evenings and mornings. This will decrease the bump size. Quote