COSRX Snail 96 Mucin Power Essence vs ISOI Blemish Care Up Serum
A side-by-side comparison of two Korean serums — ingredients, skin-type fit, size and live UK prices — to help you decide which to buy.
COSRX
Snail 96 Mucin Power Essence
From £22.39
+£3.95 delivery · free over £25
UK stock · £24.00 at MOIDA+£3.90 delivery · free over £30
Out of stock at YesStyle — showing the next best price.
Compare all prices
ISOI
Blemish Care Up Serum
From £19.58
Out of stock everywhere we track — last seen at YesStyle.
See prices →| Price (from) | £22.39 | £19.58 |
|---|---|---|
| Category | Serums | Serums |
| Key ingredient | Snail Secretion Filtrate | Bulgarian Rose Oil |
| Best for | dry, normal, combination | normal, combination, oily, dull |
| Targets | hydration, texture | brightening, pigmentation, blemish |
| Size | 100ml | 35ml |
| Rating | 4.8 / 5 | 4.8 / 5 |
Which should you choose?
COSRX Snail 96 Mucin Power Essence centres on Snail Secretion Filtrate, while ISOI Blemish Care Up Serum leads with Bulgarian Rose Oil. Both work for normal, combination skin, so it often comes down to texture, price and the active you want to prioritise. On price, ISOI Blemish Care Up Serum is currently the better value — but prices change daily, so check both below.
Frequently asked questions
What is the difference between COSRX Snail 96 Mucin Power Essence and ISOI Blemish Care Up Serum?
Both are Korean serums. COSRX Snail 96 Mucin Power Essence is built around Snail Secretion Filtrate, while ISOI Blemish Care Up Serum leads with Bulgarian Rose Oil. Both suit normal, combination skin.
Which is cheaper, COSRX Snail 96 Mucin Power Essence or ISOI Blemish Care Up Serum?
ISOI Blemish Care Up Serum is currently the cheaper of the two at around £19.58. We check both prices daily across the UK retailers we compare, and each one shows when it was last checked.
Can I use COSRX Snail 96 Mucin Power Essence and ISOI Blemish Care Up Serum together?
In most routines you can layer different product types, but two products of the same step (e.g. two serums) are usually used as alternatives rather than together. Patch-test new actives and introduce one at a time.
Still deciding? See the full ranking
Both of these are Korean serums. Our ranked round-ups price-compare every option we rate for each skin type they suit, not just these two.