The Chinese skincare market splits cleansers into
卸妆水 (xièzhuāngshuǐ, micellar water — light, watery),
卸妆油 (xièzhuāngyóu, oil — heavy makeup, sunscreen), and
卸妆膏 (xièzhuānggāo, balm — solid-to-oil, gentler than oil).
膏 (gāo) signals a thick paste/balm consistency.