Ceramide Complex sits in our formulas for one job: feeding and reinforcing the skin barrier. We file it under Nourishing in this glossary because that is the effect its evidence actually supports, not because it is the most flattering label available.

Mortar in the barrier

The mechanism is the one stated in the summary above, and we have deliberately not extended it. Where a supplier or a competitor would reach for a bigger promise, the sentence we publish stops where the research stops.

Mortar in the evidence

Our source is a peer reviewed randomized controlled trial, recorded as Andrew 2025 PMID 40408261. You can read it yourself at PubMed 40408261. We grade that as solid support for what the ingredient does.

Mortar and its limits

The research behind Ceramide Complex studies the ingredient, not the finished Opuliss product it sits in. It supports what Ceramide Complex does. It is not a trial of our formula, and we will not present it as one.

Cosmetic claims describe how skin looks and feels. Nothing here is a medical claim, and nothing here treats a condition.