“French women tend to be attracted by products that are efficient [and] science-driven, but with enjoyable scents and textures,” Laure Seguin, a French wellness facialist, tells us. Thanks to European regulations, French formulas are strict about “any ingredients that are potentially allergenic or endocrine disruptors,” she adds.

Keep reading (or click here) for more of Seguin’s tips for building an optimal routine, as well as ingredient insights from Dr. Jennifer Levine, MD, an NYC-based double board-certified facial plastic surgeon.