Which ingredient is commonly used in products for oily skin?

Salicylic acid is often included in products formulated for oily skin due to its ability to penetrate oil glands and help to exfoliate the skin. It works by dissolving excess sebum and unclogging pores, which is particularly beneficial for individuals with oily skin who are prone to acne and breakouts. This ingredient has anti-inflammatory properties and is effective in reducing the appearance of acne and preventing future breakouts.

Hydrating oils, shea butter, and coconut oil, while beneficial for moisturizing and nourishing the skin, can contribute to a greasy feeling on oily skin types. They are generally more suitable for dry or combination skin types where additional moisture is needed. Thus, salicylic acid stands out as the most appropriate ingredient for targeting the concerns associated with oily skin.