Viral/social media hype
Numerous reviewers explicitly say they bought it because it 'went viral,' was seen in TikTok/Instagram videos, or was 'super popular in Korea right now.'
Influencer/YouTuber recommendation
Several reviewers, including Korean-language ones, mention buying because a YouTuber or influencer 'strongly recommended' it.
Microneedling alternative at lower cost
Many buyers frame it as a cheaper, at-home substitute for professional microneedling/MTS treatments.
Repurchase/loyalty
A large number of reviews mention this being their 2nd or 3rd bottle, indicating strong repeat-purchase behavior once satisfied.
Entry point before stronger concentrations
Some buyers purchase the 100 version specifically as a gentle starting point before trying VT's 300/500/700 higher-concentration essences.