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 September 11, 2026, the lowest price we found was $20 at YesStyle, before code COZY26 (8% off orders over $79, up to 15% over $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 COZY26

Code COZY26 copies to your clipboard when you tap Buy. 8% off orders over $79, up to 15% over $199.

Prices checked Sep 11.

Lowest price first, coupon counted.

Retailer	Price	Code
YesStyleLowest	$20		Buy

Texture: Lightweight serum

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 September 11, 2026, the lowest price we found was $20 at YesStyle, before code COZY26 (8% off orders over $79, up to 15% over $199).