Yes, snail mucin can be beneficial for oily skin. Snail mucin is a popular ingredient in skincare products due to its hydrating and soothing properties. It contains a variety of beneficial components, such as hyaluronic acid, glycoproteins, and antimicrobial peptides, which can help moisturize the skin without clogging pores or causing excessive oiliness. Additionally, snail mucin has been found to have antioxidant and anti-inflammatory properties, which can help calm and balance oily skin. However, as with any skincare ingredient, it's important to consider individual sensitivities and preferences.