納豆近年在日本亦被發現有活化肌膚、抗氧化以及促進血液循環等天然功效。其實是因為納豆膠裡富含有最具優越保濕作用的 γ - PGA 為成分，純植物性的萃取精華。
r-PGA會增生天然保濕因子, 從肌膚內部增強自體保濕能力.
是一種保濕材料,吸水倍數為二千倍,比玻尿酸的一千倍還高.
可加入配方內的水相材料. 粉末狀
產地： 日本
Powder form. r-PGA is a humectant and increase the self-moisturizing ability of the skin surface.
It can absorb two thousand times of water, which is higher than Hyaluronic acid that can only asbsorb one thousand times of water.
You can add it into the water phase material in the formula.
Suggested dosage: 0.5-1%
