Hello In this age, there are many hormonal changes inside our body, and because of that we get pimples, acne, outbreaks etc.. First and very important thing is not to pick any of your pimples cause they will leave behind dark spots and damaged skin. Try to wash your face 3-4 times in a day. Avoid eating chocolates, junk food, oily food. And consult a Dermatologist for starting a proper cream to get rid of pimples and dark spots.