Layering CBD is all about texture: apply your water-based serums first, then...

https://misumiskincare.com/blogs/news/cbd-and-your-skincare-routine-interactions-you-need-to-know

Layering CBD is all about texture: apply your water-based serums first, then your CBD oil. Often, irritation comes from an over-packed routine, not the ingredient itself. Keep it simple, start slow, and see how your skin adapts.