According to Dr. Idriss, silicone-based primers are more effective when it comes to controlling oil and shine throughout the day. They rely on ingredients like dimethicone, which is able to leave ...

Choosing between an oil-based or gel-based primer with SPF largely depends on your skin type and the environmental conditions ...

However, if you’re using a water-based foundation, avoid using a silicone primer underneath, as that can break the product up. Oil-based foundations can be in liquid form, but can also be creamy ...