Proven curl-hold reputation
Many reviewers say they bought it specifically because Clio mascaras are known in Korea and among K-beauty fans for all-day curl retention on straight Asian lashes.
Repurchase/loyalty
A large share of reviews explicitly state this is their 2nd-6th repurchase or that they 'always buy this,' indicating strong brand loyalty and low switching.
1+1 double-pack value and bundled gifts
The double mascara set, jade rings, and mascara remover included in kits are frequently cited as reasons to buy over single-tube competitors.
Friend/word-of-mouth and social recommendation
Several buyers mention being recommended the product by friends or having tried it after hearing K-beauty/J-beauty viral buzz.
Sale/discount pricing
Reviewers frequently mention buying during Olive Young sales or when their previous mascara ran out, citing good value for the price point (~$10 per set).