The 6 Peptide Skin Booster Serum
UK totals include standard single-item delivery. Korean display prices exclude VAT and delivery.
Checked UK single-item totals, lowest first.
Exact product, size, stock and listed price checked 2 November 2026. Standard UK delivery; confirm your checkout total.
Korean prices exclude VAT and delivery and are not ranked against UK totals.
Checked 3 November 2026. 20% VAT, shipping and final exchange rate are calculated at checkout. Excluded from delivered-price rankings.
Affiliate code RIVER77 travels with this link; discounts depend on retailer terms.
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About this product
A watery first-step serum with six peptides, niacinamide, adenosine and hyaluronic acid. It targets fine lines, firmness and dull, dehydrated skin in a large 150ml bottle.
- Brand
- COSRX
- Size
- 150ml
- Good for
- Fine lines, Dryness
Want to know more? Read Peptides, explained.
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Key ingredients
These are the main active ingredients, not the full list. Brands sometimes change formulas, so check the full ingredients list on the shop’s page before you buy, for example at LOOKFANTASTIC.