See, bumpy skin can happen for a load of reasons, and identifying the types of bumps you have is a downright crucial step—treat a cluster of bumps the wrong way, and you may face even more mounds than before. This type of acne can crop up anywhere you have pores, but Rodney says they tend to appear on the forehead, chin, and nose (where people tend to accrue the most oil), as well as the chest, back, or shoulders.
