1. The outer surface of the leaf has a waxy coating called a cuticle which protects the leaf. 叶子外表有一层像蜡一样的覆盖层，这个层被叫做表皮，是用来保护叶子的。
2. Efficacy: Can promote cell update and effectively remove aging cuticle and dirt, make your complexion healthy, uniform and white. 功效：促进细胞更新，有效去除面部老化角质及不洁物，用后令肤色更健康、均匀、白皙。
3. Pathological changes of the organization, mainly the epidermal cuticle significant parakeratosis, acanthosis cell layer thickening, epidermal sudden downward extension of in-depth dermis. 本型组织病理改变，主要是表皮角质层有显著角化不全，棘细胞层增厚，表皮突向下延展，深入真皮。
英英解释
n.
1. the dead skin at the base of a fingernail or toenail
2. the outer layer of the skin covering the exterior body surface of vertebrates
3. hard outer covering or case of certain organisms such as arthropods and turtles
