It is a completely harmless skin condition. It affects roughly half the population, but most people have never even heard of it. KP is found more commonly in women and young adults, Keratosis Pilaris occurs when there is an excessive build up of keratin (a protein found naturally in the skin). The Keratin clogs up the hair follicles which is what leads to those bumps on the skin. They’re rarely ever itchy or painful, just aesthetically displeasing. The kertain in the skin leads to the clogging of pores and then often leads to an ingrown hair growing under the skin.
No, it is completely normal and harmless. Popping or roughly scratching them, however, may lead to scars. Although, it might seem fun and enjoyable, it is definitely not recommended. To much scrubbing of the skin may also only irritate it, which would make matters even worse. Exfoliating is recommended, but not to the point where the skin is red and raw.
At the moment there is no cure but there are variety of treatments you can use to help clear up, or even possibly eliminate your KP. Now, doesn’t that sound nice? Smooth and clean skin? 
You can eventually out grow it, but also you may only develop an even worse case as you age. On other factor is pregnancy tends to cause a very sudden outbreak of bumps on the skin all over the body, as well. There are also various tips I’ve gathered which I highly recommend you follow to help aid in your quest to healthy skin.
It resembles acne-like bumps on the skin that is most commonly found on the upper-legs. Other common places that bumps on the skin can be found are the upper arms, calves, forelegs, chest, back, buttocks, and face. Pretty much everywhere except the palms and soles. It often gives off a red bumps on skin appearance, depending on how light your skin is. It sometimes causes ingrown hairs as the keratin of the skin blocks off the pores, and the hair has no exit point. Although, not dangerous, picking at the bumps can definitely cause scarring.
