Improve How Your Mask Protects You
When choosing a mask, look at how well it fits, how well it filters the air, and how many layers it has. Make sure your mask fits snugly against your face. Gaps can let air with respiratory droplets leak in and out around the edges of the mask. Pick a mask with layers to keep your respiratory droplets in and others’ out. A mask with layers will stop more respiratory droplets getting inside your mask or escaping from your mask if you are sick.
For specific directions to make your mask better, check out the CDC guidelines.