天然保湿因子

てんねんほしついんし

noun

•

natural moisturizing factor, NMF

天	heavens, sky, imperial
然	sort of thing, so, if so, in that case, well
保	protect, guarantee, keep, preserve, sustain, support
湿	damp, wet, moist
因	cause, factor, be associated with, depend on, be limited to
子	child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac