What if there are red blood stains?

Red blood is caused by subcutaneous telangiectasia, which is related to the damage of skin barrier function of patients. Most of the stains are caused by melanocytes precipitating into the dermis due to genetic and endocrine disorders. It is suggested that patients can see a dermatologist to improve skin symptoms through photon rejuvenation or laser treatment. Sunscreen should be done when going out at ordinary times.