Hormones and Acne – What is the Link Between Hormones and Acne?
There is a well known and well documented link between hormones and acne. This is why typically teenagers, menstruating women, as well as pregnant women all tend to have acne breakouts. This is also also why women can treat their acne breakouts with birth control pills; they regulate their hormones and stop their breakouts.
Source: ezinearticles.com

Acne Treatment using Vitamin A
An acne treatment with vitamins has proven to be a safe and healthy way to combat the problems associated with various skin conditions that many people face. Different areas of the body can be affected but is predominately found on the areas of the face, neck, shoulders and back. Most problems affect teens who are [...]
Source: acnecreamtreatment.beautyandhealthplus.com