Products / The Ordinary / Serum Foundation / When to use

When (and how) to use Serum Foundation by The Ordinary

Last updated on March 19, 2025.

Overview

Welcome to our guide on when (and how) to use The Ordinary Serum Foundation 3.1R.

We don't have enough data to determine when this product should be used.

This product is most commonly used as step 5 in a routine. Use our Routine Creator to see where you should use this product in your routine.

We independently verify product and ingredient data. Spot something that seems off? Let us know.

Here are some of the products that our community often uses together with Serum Foundation.

Learn more about the ingredients in this product

Check out our complete breakdown of the ingredients and their benefits/drawbacks

Check out our complete guide to the ingredients in The Ordinary Serum Foundation 3.1R.