So called weak qualitative skin, it is bursa of corneous layer, wool, sebaceous glands and sweat gland underdeveloped, nutrient composition absorbs very difficult skin to pledge.

• 所谓的弱质肌肤，是角质层、毛囊、皮脂腺以及汗腺都不发达，营养成分吸收十分困难的肤质。