No matter how old you are, there's something about an advent calendar that really gets you into the festive spirit.

The Substance, starring Demi Moore, re-released in U.S. theaters over the weekend amid award season buzz. With strong WOM and global earnings of USD 76M, its nearing USD 80M worldwide.

I spoke with dermatologists to create a step-by-step guide on how to build a proper skin care routine. I also gathered product recommendations from our experts and staff.