— · Serum
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4.6
297 reviews
Rating breakdown
Most-mentioned keywords
Why consumers buy
Social media & influencer hype
Many reviewers say they bought it after seeing bloggers, YouTubers, or viral social posts praising its brightening and hydrating claims, sometimes comparing it to luxury dupes like 'La M**'.
Repeat/loyal purchase
A large number of reviews explicitly mention buying a 2nd, 3rd, or even 4-5th jar, citing consistent results and brand trust in the Arencia line.
Sale/discount promotions
Several buyers cite purchasing during Olive Young sales or bundle discounts (e.g., 40% off events) as the deciding factor, especially given the otherwise premium price for a small 50g size.
Recommendation from friends/family
Multiple reviewers say a friend or family member recommended the serum, leading to trial purchase, and some then gifted it to parents.
Bundled spatula/pack brush value-add
The included spatula/pack brush is frequently mentioned as a purchase incentive, seen as more hygienic and helping control product usage.
How they use it
Nighttime routine / sleeping mask
The most common usage is applying a thick layer at night as an overnight mask or 'sleeping mask' due to its slow absorption and rich texture, waking up to plumper, hydrated skin.
Skin concerns raised — and how the product addressed them
✓Reviewers overwhelmingly report the serum delivers strong overnight hydration, leaving skin soft, plump, and moisturized by morning, especially when used as a sleeping mask.
✓Many users note visible fading of acne marks and dark spots after consistent use over days to weeks, though a subset says the whitening effect is less dramatic than advertised.
✓Most reviewers with sensitive skin report no irritation and a calming, cooling effect, making it a preferred gentle option, though a small minority experienced stinging or breakouts.
Points to note
Sentiment breakdown
Share of analyzed reviews by overall sentiment.
Occasional wash-off mask
Some users apply it as a 10-20 minute mask once or twice a week (using the included spatula), then rinse off, particularly for acne scars or hyperpigmentation spots.
Layered with moisturizer
Several reviewers note it's lightweight/moisturizing but not fully occlusive, so they layer a separate moisturizer on top, especially in dry climates or winter.
Daily AM/PM serum step
Many use it as a standard serum step after toner both morning and night, citing quick absorption and non-greasy finish (though this contradicts other slow-absorption complaints, suggesting mixed skin-type experiences).
Refrigerated for cooling effect
A few users store it in the fridge to enhance the cooling, soothing sensation on application, particularly favored in summer.
✓Users frequently mention a brighter, more radiant, 'glass skin' appearance the day after application, attributing it to the serum's brightening properties.
✓A few reviewers mention pores appearing smaller or skin texture feeling smoother and firmer after regular use, though results here are less consistently reported than hydration or brightening.
Concerns and outcomes summarized from reviews; percentages are approximate.
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