serum before or after derma rolling
The Science Behind Serums and Microneedling Microneedling (or derma rolling) creates thousands of controlled microinjuries—tiny channels in the skin that trigger repair and renewal. These pathways make your skin temporarily more permeable, meaning serums applied after rolling penetrate deeper than usual. But the increased penetration is a doubleedged sword. The right postneedling serum soothes, hydrates, […]


