Recommendation and Brand Reputation
Multiple consumers purchased after recommendations from Korean friends, influencers, or trying samples; the brand's reputation for safe ingredients and efficacy drove purchase decisions.
Repurchase Loyalty
Several reviewers explicitly stated they repurchased after initial positive experiences, indicating strong satisfaction and routine integration.
Ingredient Quality
Consumers were attracted to the product's safe, well-regarded ingredient composition and its suitability for sensitive skin types.
Seasonal Need for Hydration
Buyers purchased during colder, drier seasons or when living in arid climates to address increased skin dryness.
Bundling and Set Purchases
Some consumers bought the ampoule as part of a set with complementary ISOI cream products after positive individual experiences.