Facial redness / Telangiectasia is more common in people with lighter and thinner skin. When exposed to wind, sun and cold weather, there are opportunities for some blood vessels to appear on the cheeks. With age, the most dull skin sometimes shows very obvious bloodshot in the nose, and some spider mites appear on the cheeks. Sunbathing for many years, the front chest V position also has the opportunity to form telangiectasia. There are many causes of facial microfilament vasodilation, which are roughly based on: 1. Long-term exposure or UV damage 2. Innate hereditary 3. Disease - After any type of inflammation on the skin, lupus erythematosus (SLE), Rosacea, Systemic Sclerosis, etc. 4. Drugs - long-term external exposure to steroids, oral hormones (such as estrogen, birth control pills), alcohol abuse, etc. 5. Chemical or physical trauma - inappropriate use of excess acid to skin, repeated acne squeezing, frequent sneezing or rubbing the nose