After the IPO, Zuckerberg would retain a 22% ownership stake in Facebook with 57% of the voting shares. The underwriters of the IPO valued the shares at $38 each, pricing the company at $104 billion, the largest valuation ever to date for a new company going public.
Benzoyl peroxide stops acne bacteria from reproducing. Benzoyl peroxide is the worldâs most frequently used treatment for acne infections. The key to success in treating acne with benzoyl peroxide, however, usually is to use less, not more. 1  Benzoyl peroxide is the worldâs most frequently used treatment for acne.  The way benzoyl peroxide works is by irritating acne bacteria so they do not have the nutritional resources to reproduce.
Benzoyl peroxide is also thought to work by killing P. acnes. It does this by releasing oxygen into the pores of the skin. Because P. acnes is a type of anaerobic bacteria, which means it lives without oxygen, the oxygen kills the bacteria.