COSRX Refresh AHA/BHA Vitamin C Booster Serum 30ml vs Isntree Hyper Acid 4 (AHA BHA PHA LAH) 30 Serum 20ml
COSRX Refresh AHA/BHA Vitamin C Booster Serum 30ml and Isntree Hyper Acid 4 (AHA BHA PHA LAH) 30 Serum 20ml share 9 parsed ingredients. Differences highlighted below.
Shared 9COSRX Refresh AHA/BHA Vitamin C Booster Serum 30ml only 12Isntree Hyper Acid 4 (AHA BHA PHA LAH) 30 Serum 20ml only 17
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Shared formula
24%
- Ingredients in every formula
- 9in both formulas
- Key actives unique to one formula
- 6unique actives
- Ingredient rows compared
- 38rows compared
From the parsed labels — rows on every label over all compared rows.
The formulas, row by row
38 ingredients across 2 labels| on 2+ labelsonly on this labelnot on this labelIngredient | ||
|---|---|---|
Basics | ||
| Type & size | Exfoliant · size not on the record | Exfoliant · size not on the record |
| Brand origin | Korean | Korean |
Offers | ||
| Where to buydiffers | Not recorded | $26.00 · Kbeautymakeup |
Formula | ||
| Key activesdiffers | niacinamide, glycolic acid, panthenol, allantoin, sodium hyaluronate, ascorbyl glucoside, alpha-arbutin | lactic acid, glycolic acid, niacinamide, salicylic acid, allantoin |
| Free of | fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free | fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free |
| Heads-up | pregnancy caution · photosensitizing · fungal-acne triggerPore data not yet reviewed | pregnancy caution · photosensitizing · fungal-acne triggerPore data not yet reviewed |
Fit & community | ||
| Rating | No reviews yet | No reviews yet |
| Best for | Not recorded | Not recorded |
Data quality | ||
| Label coveragediffers | Fully parsed · 21 ingredients | Fully parsed · 26 ingredients |
Key actives · 6 | ||
aha exfoliant (gentle) | no | yes |
alpha-arbutin | yes | no |
ascorbyl glucoside | yes | no |
bha exfoliant | no | yes |
hyaluronic acid (salt form) | yes | no |
pro-vitamin b5 | yes | no |
Rest of the labels · 23 | ||
acacia senegal gum | no | yes |
adenosine | yes | no |
betaine | yes | no |
betaine salicylate | yes | no |
capryloyl salicylic acid | no | yes |
charcoal powder | no | yes |
citric acid | no | yes |
diethoxyethyl succinate | no | yes |
disodium edta | no | yes |
ethylhexylglycerin | no | yes |
gluconolactone | no | yes |
glyceryl caprylate | no | yes |
hippophae rhamnoides water | yes | no |
hydroxyethylcellulose | yes | no |
hydroxypropyl methylcellulose | no | yes |
hylocereus undatus fruit extract | yes | no |
menthyl lactate | yes | no |
methylpropanediol | no | yes |
peat water | no | yes |
potassium hydroxide | no | yes |
potassium sorbate | no | yes |
sodium hydroxide | yes | no |
xanthan gum | no | yes |
Rows come from parsed labels and live offers. Where a label isn’t fully captured, we say so instead of guessing.
The bottom line
Choose COSRX if you want Pro-vitamin B5 in the formula.
Choose Isntree if you want AHA exfoliant (gentle) in the formula.
Both lines come from the parsed labels and the prices on this page — neither product is the reference, and neither is called the better one.
This is not medical advice.
Focus on an effect
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Suggested from shared ingredients on the parsed labels — each pair opens as its own comparison.