A.9% B.13% C.15% D.17% E.10%
A.表皮角質(zhì)層+透明層+顆粒層 B.表皮角質(zhì)層+透明層 C.表皮角質(zhì)層 D.表皮角質(zhì)層+透明層+顆粒層+棘層 E.表皮角質(zhì)層+透明層+顆粒層+棘層+生發(fā)層
A.0.5% B.0.8% C.1% D.1.25% E.1.5%