Based on the principle of lipid affinity, cleansing oil is an oily treatment that removes impurities from the skin while providing a pre-cleansing step. It often contains plant-based oils and is applied to dry skin, before being rinsed and emulsified. In recent years, cleansing oil has seen a significant rise in popularity, partly due to the expansion of the double cleansing trend. But what benefits does cleansing oil offer to the skin? Discover in this article.