It is not recommended to squeeze pimples by hand, mainly because hand hygiene is not available, easy to cause inflammatory infections, and patients generally do not master professional techniques, may be squeezed hair follicles, causing further damage to the skin follicles, sebaceous glands and so on.
In addition, the triangular area surrounded by the root of the nose and the corners of the mouth on both sides, is the danger triangle”, in this area of the acne, need to avoid hand squeezing, because there is no venous valve, blood is easy to reflux, and the same as the cranial, hand squeezed acne may cause intracranial infection, once it happens, may be life-threatening.”