A water-free formula with 30% L-Ascorbic acid that remains stable. This product when applied topically, reduces uneven skin tone and brightens skin. It reduces signs of aging and keeps skin super smooth. This product should be applied before going to bed. Sunscreen is important when using this product. Suggested Usage: Apply as AM or PM serum after cleaning. Important Notice: The Ordinary products are free of sulfates, parabens, animal oils, coal tar dyes, formaldehyde, mercury, oxybenzone, mineral oil, methylchloroisothiazolinone, methylisothiazolinone, SLS, SLES & less than one percent of synthetic fragrances. All these ordinary products are coming from authorized suppliers of Deciem. Currently all our ordinary shipments are from Korea and due to regulation authorities in Korea, the product has the native/local language on it.