Product and ingredient reference
When (and how) to use The 6 Peptide Skin Booster Serum by COSRX
When (and how) to use The 6 Peptide Skin Booster Serum by COSRX See exactly how you should incorporate COSRX The 6 Peptide Skin Booster Serum into your routine. Last updated on June 27, 2026. Welcome to our guide on when (and how) to use COSRX The 6 Peptide Sk
When (and how) to use The 6 Peptide Skin Booster Serum by COSRX See exactly how you should incorporate COSRX The 6 Peptide Skin Booster Serum into your routine. Last updated on June 27, 2026. Welcome to our guide on when (and how) to use COSRX The 6 Peptide Skin Booster Serum. We recommend using this product in the morning or evening. 35% of routines created by our community use it in both the morning and evening. 94% of routines created by our community use this product every day. This product is most commonly used as step 4 in a routine. Use our Routine Creator to see where you should use this product in your routine. 6331 routines created by our community use this product. 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 The 6 Peptide Skin Booster Serum. Here are some routines that have been shared by our community that use The 6 Peptide Skin Booster Serum. Check out our complete guide to the ingredients in COSRX The 6 Peptide Skin Booster Serum. Track your products and build your routine with SkinSort.