Sudden appearance of painful acne which is pus filled happens due to BACTERIA.Nowadays we see lot of people getting acne on FACE MASK contact area. This happens usually when contact area of your mask is not clean. Avoid touching inside area of your mask which remains in contact with face.
Next Steps
Whenever you remove your mask to eat or drink, make sure you don't spoil contact area of your mask. Keeping your mask upside down on tables, touching inside area of mask with fingers again and again, keeping mask in pockets,etc can spoil your mask with Bacteria. When you put this mask back on your face, you tend to get Acne Boils which are painful.
Health Tips
Tips to avoid MASK ACNE: 1)Use salicylic acid based foaming face wash twice daily 2) Keep your mask clean 3) Use disposable Masks and Discard after every use.