The skin on the fingers should be the source of pressure. It is not wise to apply pressure with the finger nails. Dirt might lodge inside a fingernail, and thus get onto the lanced skin. That could cause an infection to develop.
Even though a lot of doctors say diet is not related to acne. For most people suffering from mild or moderate acne it very much is, not so much those people with severe acne though. A water diet with a lot of vegetables will help cure any disease of the skin.
On the other hand, both AZ and HP only have one page of customer testimonials each. AZ's testimonials were from US-based customers whereas HP's customers include those from US, UK and Canada.
dueselmsz.blogspot.com
tags: how to dry out acne home treatment, acne treatments that work, less acne sign of pregnancy