膜层

The conversion film is probably constituted of amorphous and pored alloying tannate chelate.

这种转很可能是由有一定孔隙的非晶态合金单宁酸构成.

It penetrates effectively and improves the cells to form transparent hydrated retia, directly provides skin with abundant nutrition and moisturizes the deep skin.

渗透力强，促进细胞形成透明的水，直接给肌的营养，持久的深保湿功效。