When (and how) to use Serum Facial AH-2 by Principia
Last updated on November 01, 2024.
Overview
Welcome to our guide on when (and how) to use Principia Serum Facial AH-2.
When to use
We recommend using this product in the morning or evening. 37% of routines created by our community use it in both the morning and evening.
In your routine
This product is most commonly used as step 3 in a routine. Use our Routine Creator to see where you should use this product in your routine.
Fun Fact
27 routines created by our community use this product.
We independently verify product and ingredient data. Spot something that seems off? Let us know.
Pair it with
Here are some of the products that our community often uses together with Serum Facial AH-2.
Learn more
Check out our complete guide to the ingredients in Principia Serum Facial AH-2.
See the full ingredient explanation