Some
things can make acne worse:
1 :
Changing hormone levels in teenage girls and adult women 2 to 7 days before
their period
starts
2 :
Pressure from bike helmets, backpacks, or tight collars
3 :
Pollution and high humidity
4 :
Squeezing or picking at pimples
5 :
Hard scrubbing of the skin.read more ...
