Stratum corneum is the first protective barrier of skin. Unhealthy protective barrier results in losing of skin moisture and the skin cannot absorb the extracts from moisturizing products thoroughly.

• 角质层是保护皮肤的第一道防线，不健全的皮肤保护网会令肌肤水份容易流失，亦难以吸收保湿产品的精华，令皮肤容易受到外来因素的伤害。