Repeat brand loyalty
Many reviewers explicitly state this is their 2nd, 3rd, or 4th 2aN tint purchase, buying new shades as they release because they already trust the formula and finish.
Personal color (yeobseu/blue-warm tone) matching
A large share of Japanese and Korean reviewers buy specific shades based on their diagnosed 'personal color' (spring warm, summer cool, etc.), treating the wide 16-shade range as a way to find their ideal tone.
Cute packaging and gifting appeal
Reviewers frequently cite the pink packaging and bundled mini lip balm/gloss gift sets as a purchase driver, with several buying the product specifically as a gift.
Plumping effect trend
The mild tingling 'plumper' sensation and fuller-lip look is called out repeatedly as a key reason for purchase, tied into the broader glossy/plump lip trend.
Promotions and bundled value
Several reviews mention buying during sales, project/set promotions with bonus items, or because the price was reasonable, framing it as a good-value purchase.