Amazon UK Event Guide
COSRX Prime Big Deal Days UK 2026
COSRX has officially named the skincare products it is putting into Amazon UK's Prime Big Deal Days on 6–7 October. This page strips the announcement down to the exact listings worth checking so you can avoid searching through lookalikes and older variants.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum is one of the newer products COSRX has named for the event.
Prime Big Deal Days runs 6–7 October 2026 in the UK. COSRX has already published its official Amazon UK skincare lineup. The safest move is to use the exact product links below, then check the live Amazon page when the event starts because prices, stock and Prime eligibility can change.
Exact COSRX Amazon UK products to check
Advanced Snail 96 Mucin Power Essence
One of COSRX's established Amazon bestsellers and part of the official hydration edit.
Check on Amazon UK
Advanced Snail 92 All In One Cream
The matching snail mucin moisturiser named alongside the essence for the event.
Check on Amazon UK
The 6 Peptide Skin Booster Serum
A 150ml peptide booster COSRX positions as a first step before other serums and moisturiser.
Check on Amazon UK
The Peptide Collagen Hydrogel Eye Patch
A 60 patch eye treatment in COSRX's peptide focused event edit.
Check on Amazon UKThe Blue Peptide Bakuchiol Plump Glow Serum
The newer copper peptide and bakuchiol serum in the official Prime Big Deal Days lineup.
Check on Amazon UK
Advanced The Vitamin C 23 Serum
A concentrated vitamin C serum also named in COSRX's official event announcement.
Check on Amazon UKWhat to check when the sale goes live
Do not assume every COSRX listing with a sale badge is part of the same promotion. Check the exact product name, size and seller on the Amazon page before ordering. Prime event pricing can also change during the event, so the live listing is the final source for the current price and availability.
For the fastest decision, start with the product you already intended to buy. If you are comparing within the lineup, the Snail 96 Essence is the hydration focused staple, The 6 Peptide Skin Booster is the larger prep step, and the Blue Peptide Bakuchiol Serum is the newer targeted serum.
\nIf the Blue Peptide serum is the product you are considering, our Blue Peptide serum vs cream comparison explains when the serum makes more sense than the matching cream, and when the moisturiser is the better buy.
Why this list is narrower than a normal Prime Day roundup
COSRX has named these products for the UK event, so this page keeps the list focused rather than mixing in unrelated products simply because they happen to be discounted.
Amazon prices, availability and Prime eligibility are live variables. Check the exact Amazon listing before buying.