Reputation for gentleness
Many buyers purchased specifically because they heard it was a milder alternative to harsher peeling gels or chemical exfoliants, especially for sensitive skin.
Repurchase/loyalty
A large number of reviews are from repeat buyers on their 2nd, 3rd, or even 10th purchase, indicating strong brand loyalty and satisfaction.
Word-of-mouth and influencer recommendation
Several reviewers cite recommendations from Korean friends, YouTubers, or online rankings/reviews as the reason for trying the product.
Used previously in Korea
Multiple Japanese and other international reviewers mention having used the product while in Korea and repurchasing it once available locally or online.
Sale/promotion pricing
Several buyers mention purchasing during OliveYoung sales, citing affordability and good value as a purchase driver.