— · Serum
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4.8
20 reviews
Rating breakdown
Most-mentioned keywords
Why consumers buy
Brand Loyalty & Ingredient Reputation
Multiple consumers purchased because they were already familiar with COSRX or the PDRN/peptide serum line, trusting the brand's established track record in K-beauty skincare.
Value Proposition
Buyers cited the 100ml size at an attractive price point as a compelling reason to purchase, with some explicitly noting good value for money and repurchasing intention.
Product Novelty
Several early adopters purchased specifically because it was a new product from a trusted brand they wanted to try, indicating strong new-release appeal.
Visible Results Expectations
Consumers bought the product after observing positive effects from other COSRX offerings or expecting similar performance benefits from the brand's formulations.
How they use it
Twice-Daily Routine Integration
Multiple users incorporate it into both morning and evening skincare routines, suggesting it fits seamlessly into standard regimens without time burden.
Booster/First-Step Application
At least one consumer uses this serum as a booster or first treatment step to enhance subsequent skincare product absorption and efficacy.
Liberal/Generous Application
Sentiment breakdown
Share of analyzed reviews by overall sentiment.
The large 100ml format enables consumers to use the product generously without concern for product depletion, affecting satisfaction and perceived value.
Suitable for Sensitive & Acne-Prone Skin
Users with oily, acne-prone, or sensitive skin successfully incorporated it into routines without irritation, suggesting broad skin-type compatibility.
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