Who is The 6 Peptide Skin Booster for?

It suits normal, dry skin and is aimed at fine lines, rough texture.

Where is The 6 Peptide Skin Booster cheapest?

As of October 27, 2026, the lowest price we found was $20 at YesStyle, before code HAUNTED26 (8% off orders of $79+, up to 15% at $199+).

Name: COSRX The 6 Peptide Skin Booster
Brand: COSRX
SKU: ys-1124133306

★ 4.7 9,582 reviews on YesStyle

A peptide-rich booster serum to support skin resilience and reduce signs of aging.

$20 ~~$25~~ −20% lowest at YesStyle, before code HAUNTED26

Code HAUNTED26 copies to your clipboard when you tap Buy. 8% off orders of $79+, up to 15% at $199+. Needs $59 more in your cart.

Prices checked Oct 27.

Lowest price first, coupon counted.

Retailer	Price	Code
YesStyleLowest	$20		Buy

Texture: Lightweight serum

Learn: The K-beauty ingredient glossary: centella to PDRN · 10 min read

What does COSRX The 6 Peptide Skin Booster do?: A peptide-rich booster serum to support skin resilience and reduce signs of aging.
Who is The 6 Peptide Skin Booster for?: It suits normal, dry skin and is aimed at fine lines, rough texture.
When do I use it?: Use it morning and night.
Where is The 6 Peptide Skin Booster cheapest?: As of October 27, 2026, the lowest price we found was $20 at YesStyle, before code HAUNTED26 (8% off orders of $79+, up to 15% at $199+).