A bottle of Esse probiotic serum is displayed in front of scientific equipment, including a measuring cylinder and a flask. Behind the bottle, a petri dish containing a green and white growth pattern is visible, suggesting a scientific and skincare theme.

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…