BPC

Stratum Corneum 角质层

• 50-100 layers of cells 50-100细胞层
• A protective shield for the body 人体保护层
• When it thickens, skin becomes rough 当皮质加厚皮肤跟着变得粗糙

Stratum Basale 基底层

• New cells start to reproduce from here 肌肤细胞从此层复制
• New cells travel upwards to the skin's surface to replace dead skin cells 新生细胞从基底层往上升，取代老化细胞显现于角质层