Brand loyalty from other S.NATURE products
Many reviewers already used and loved the S.NATURE cream or toner and bought the serum to complete the line, expecting similar quality.
Comparison shopping vs Torriden
Several buyers switched from or compared against Torriden's Dive-In hyaluronic serum, citing better texture, hydration, or price as reasons to try/repurchase S.NATURE.
Gift-set value and bundled mirror
The refill set with a heart mirror was specifically mentioned as adding excitement and gift appeal, with some buying it for family members (mothers, friends).
Word-of-mouth and influencer/friend recommendations
Multiple reviewers cited recommendations from friends, in-store staff, or general online buzz/fame of the product as their reason for first purchase.
Discounts and bundle pricing
Reviewers frequently mention buying during sales or because the set offered better value than buying items separately, stocking up when discounted.