Step 4: Tone: Water

The lightest of moisturizers and the equivalent of Western skincare routines' toner, Korean "waters" are refreshing, watery liquids that are patted onto the skin immediately after cleansing.

They also prepare your skin to be more receptive of essences and ampoules, which have the most precious ingredients.

Suggested Product: Etude House Collagen Moistfull Facial Freshener 180 ml ($9)