Sjalbert50 asks…How do sal acid, BP and sulfur work on acne?
The Right Brain responds:
These three active ingredients all work against acne but they all do their job a little differently.
Benzoyl peroxide (BP)
Surprisingly, the exact mechanism of how BP works is unknown. But we do know that it has antibacterial activity against Propionibacterium acnes
Applying sulfur to the skin causes it to dry out which allows excess oil and dirt to be removed. This reduces the chances of the pores becoming clogged and leading to a comedone.
This acid is a loosens some of the adhesion between skin cells and therefore increases peeling. It is known as a keratolytic agent.
Note: BP and Sulfur are sold in combination so you get antibacterial and skin peeling.
Image credit: http://www.flickr.com/photos/39696534@N04/