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The stratum corneum is the dead, outermost sub-layer of the epidermis. Removing or refreshing it is the basis of exfoliating treatments like microdermabrasion, and it also influences how well actives penetrate.
The stratum corneum is the very top of the epidermis—a stack of flattened, dead keratinocytes (‘corneocytes’) bound together like bricks and mortar. It is the skin’s primary barrier, but as these cells accumulate they leave the complexion looking dull, rough and congested, and they slow the penetration of skincare actives.
This is exactly what exfoliating treatments address. Microdermabrasion mechanically abrades the stratum corneum away; hydradermabrasion does it with a water vortex; chemical peels dissolve the bonds between corneocytes. Removing this dead layer instantly brightens, smooths texture and—usefully—improves the uptake of serums applied afterward, which is why exfoliation is often paired with infusion treatments.
For a clinic, treatments that refresh the stratum corneum are reliable, no-downtime, high-rebooking services that also boost the results of everything layered on top.
Refresh the dead surface layer and skin instantly brightens—and everything you apply afterward sinks in better.
The stratum corneum is the dead outermost sub-layer of the epidermis—removing it through microdermabrasion, hydradermabrasion or peels brightens skin, smooths texture and improves active penetration.