Sometimes hormones produce surplus amount of oil which becomes the growth center for bacteria resulting in acne, pimples and blemishes.
Pimples form by clogging of hair follicles under the skin, below are some of the common types
• Whiteheads
• Blackheads
• Papules
• Pustules
• Nodules
• Cysts
Teenagers also have a practice of ignoring the pimples. To remove these spots from the skin teenagers break pimples or scrub hardly the blackheads without thinking of its latter effect. This ends in the development of chin acne and forehead acne.