Serena Williams' Esthetician Started a Skincare Line — and We Tried It First

While this jojoba- and avocado based-oil may not be best for those with sensitive skin, the mix of fatty acids, protein, and antioxidants make it a great option for those on the dryer side. Pro tip: "At the end of the day, it's an oil, so you can use it on your cuticles," Guidi explained.

Shop: Dew Me Face Oil ($30)