According to the reviews, the AQUA SQUALANE MIST generally does not leave an oily residue. Many users have praised the product for its hydrating properties without causing greasiness or stickiness. For example, one reviewer mentioned, 「Unlike most mists that leave an oily feeling, this one provides pure hydration without any greasiness.」Review+

However, a few users have noted that it might feel slightly rich or sticky, especially for those with oily skin. One reviewer mentioned, 「It might feel a bit rich for oily skin, so it's more suitable for dry or combination skin.」Review+

Overall, the consensus is that the mist provides hydration without leaving an oily residue, but individual experiences may vary depending on skin type.