A bottle of Esse Probiotic Serum is positioned against a backdrop of laboratory equipment including a beaker, measuring cylinder, and a Petri dish containing a green, flower-like culture. The scene evokes a scientific and skincare-themed setting.

Serious About Serums

Facial serums come in many forms and choosing which one is best for your skin can often feel daunting. You’ll hear bloggers and influencers wax lyrical about their latest serum…