Repurchase loyalty / bestseller reputation
Extremely high volume of reviewers mention being on their 3rd–10th bottle and calling it their 'holy grail' or 'go-to' cleansing oil, often after trying and rejecting other brands.
Double-pack value and sale pricing
Many buyers specifically cite the 1+1/double pack format and discount coupons as the reason for purchase, stocking up during sales to avoid running out.
Word-of-mouth and influencer recommendation
Several reviewers say they bought it because an influencer or friend/family member recommended it, or because of its high review scores and 'national/bestseller' status in Korea.
Gift purchases
A number of reviews mention buying it as a gift for a sister, daughter, or friend, often citing its gentle, widely-suitable formula.
Reasonable price vs. premium alternatives
Multiple reviewers compare it favorably in price to Shu Uemura and other premium oil cleansers, calling it much better value for similar or better performance.