Influencer and social media recommendations
Multiple reviewers mention buying after seeing TikTok, YouTube, or Instagram beauty influencers recommend the product, or after it went viral/trending in Korea.
Hwahae app and online ranking reputation
Several Korean and Japanese reviewers cite the product's top ranking on the Hwahae ingredient-safety app or 'top seller' status as their reason for trying it.
Repeat purchase / brand loyalty
A very large share of reviews are explicit repurchases, with some customers on their 3rd, 4th, or 5th bottle, indicating strong retention once tried.
Reputation for gentle, sensitive-skin-safe formula
Many buyers specifically sought out a pH-balanced, low-irritation cleanser due to sensitive, acne-prone, or dry skin, having read about its mild ingredient profile.
Trial after using other beplain products
Several reviewers purchased the cleansing foam after liking the brand's clay mask, toner, or cleansing oil/balm, showing cross-line loyalty.