Little bleeding is normal. Excessive bleeding, caused by blood thinners or a health problem, pushes the pigment out as quickly as it is being implanted. The technician will ensure a medical history form is completed in order to vet clients for contraindications. If an individual wants to have permanent makeup and is on blood thinners, then they should be discontinued for a week prior to and a few days after their appointment. If aspirin has been recommended by a physician, then the doctor should be consulted prior to stopping any blood thinner. Prescribed medication is an absolute contraindication, in other words, Microblading Eyebrow should not proceed.