More than any other area on the body, a significant amount of people tend to develop these tiny bumps that are caused by keratosis pilaris on their upper arms. In contrast to other regions of the body, the upper arms typically have lesser contact with other areas of the body or surfaces and therefore become easily clogged with keratin buildup because of the area’s inability to naturally exfoliate. Just as it was previously mentioned, these bumps will usually be scattered on the upper arms and will take on the appearance of red or brown bumpy patches. Some people even often compare their dry bumps to that of sandpaper.Next
