An extremely high share of reviews explicitly state this is their 2nd, 3rd, 5th, or even 10th refill purchase, showing strong habitual repurchasing behavior.
Refill format cost/eco savings
Many buyers state they bought the refill specifically because it is cheaper than a new bottle and reduces plastic waste, appealing to price-conscious and sustainability-minded consumers.
Word-of-mouth and hype/reputation
Several reviewers mention buying because of hype, brand reputation, or recommendations from friends or a Korean clinic/dermatologist.
Suitability for sensitive/reactive skin
Buyers with sensitive, acne-prone, rosacea, eczema, or psoriasis-prone skin specifically purchased it after finding other hyaluronic acid products caused irritation.
Makeup prep utility
A notable subset purchase it specifically as a pre-makeup hydrating step to help foundation/concealer apply smoothly and last longer.
How they use it
Daily AM/PM routine step
Most reviewers use it twice daily as a core hydrating serum in both morning and evening skincare routines.
Pre-makeup primer step
Skin concerns raised — and how the product addressed them
Dryness/dehydration45%
✓The vast majority of reviewers report the serum effectively hydrates dry, flaky, or dehydrated skin, including in harsh winter and dry indoor climates, though a small subset with very dry skin found it insufficient alone.
Sensitivity/irritation-proneness18%
✓Reviewers with sensitive, rosacea-prone, eczema-prone, or reactive skin consistently report the fragrance-free, gentle formula causes no irritation and is often used as a go-to calming product.
Oily/combination skin balance12%
✓Reviewers with oily or combination skin praise the non-sticky, quick-absorbing texture that hydrates without adding greasiness or heaviness.
Redness/acne-prone skin8%
✓
Points to note
–Insufficient hydration for very dry skin
–Stickiness reported by a few users
–Slow absorption for some users
–Perceived small quantity/short-lasting refill
–Missing free gift/promo expectations
28
fragrance-free15
soothing/calming redness14
dry/inner-dry skin (インナードライ)12
Sentiment breakdown
Positive
93%
Neutral
4%
Negative
3%
Share of analyzed reviews by overall sentiment.
Frequently applied right before makeup application to boost hydration and improve makeup adherence and longevity.
Layered with other actives
Commonly layered with retinol, toners, or other serums, with some reviewers noting it helps soothe skin when switching between more active/irritating products.
Refilled into original dropper bottle
Reviewers consistently pour the refill pouch contents into their original Torriden bottle for continued use of the dropper mechanism.
Applied on damp skin post-cleansing/toner
Some reviewers recommend applying on damp skin after cleansing and toner for enhanced absorption.
✓Several reviewers note the serum calms redness and helps manage acne-prone or trouble-prone skin, with some crediting it for clearer skin over time.
Inner-dryness (dehydrated skin under oily surface)6%
✓Japanese-language reviewers specifically cite the serum as effective for 'inner-dry' skin (インナードライ), providing internal water balance without disrupting makeup.
Concerns and outcomes summarized from reviews; percentages are approximate.