Haruharu Wonder Black Rice Night Knight Retinol Serum

When (and how) to use Black Rice Night Knight Retinol Serum by Haruharu Wonder

Last updated on March 31, 2025.

Overview

Welcome to our guide on when (and how) to use Haruharu Wonder Black Rice Night Knight Retinol Serum.

When to use

We recommend using this product in the evening. In fact, 97% of routines created by our community use it in the evening.

How often

50% of routines use this product every day, and 15% use it on_specific_days.

In your routine

This product is most commonly used as step 6 in a routine. Use our Routine Creator to see where you should use this product in your routine.

Fun Fact

34 routines created by our community use this product.

1. In the PM, apply a pea-size amount onto cleansed and toned skin, avoiding eyes and mouth. 2. Apply SPF during daytime when using this serum. 3. Usage frequency can be gradually increased from 1 to 2 times a week to daily.

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Pair it with

Learn more about the ingredients in this product
Check out our complete breakdown of the ingredients and their benefits/drawbacks

Learn more

Check out our complete guide to the ingredients in Haruharu Wonder Black Rice Night Knight Retinol Serum.

See the full ingredient explanation