selective focus of a bottle of ethylparaben and butylparaben parabens pure chemical compound used as preservative in cosmetics

additive analysis background beaker biochemistry blur blurred blurry bottle butyl butylparaben chemical chemistry closeup compound container copy cosmetic cosmetics cosmetology dish ethyl ethylparaben experiment focus food industrial ingredient lab label labeled laboratory paraben parabens petri pharmaceutical powder preservative product products pure research science scientific selective solid space study substance table test used white