Medically reviewed by Brendan Camp, MD Red dots may appear on your skin for various reasons, including acne, autoimmune ...

A person may notice pinpoint dots on their skin for a number of reasons, ranging from heat exposure to an infectious disease. Depending on the skin tone, the dots may be red, gray, the same color ...

When it recognizes your face, it unlocks. Inside the notch at the top is the TrueDepth camera and sensors. This camera projects over 30,000 dots onto your face. The dots are invisible to your eyes.