Social proof and viral recommendations
Many reviewers mention discovering the product via SNS, blogs, or word-of-mouth ('SNSでよく見かけて', 'saw from blogger', 'FOMO'), driving trial purchases.
Reputation for blackhead/sebum removal
Buyers cite the product's strong reputation specifically for melting stubborn blackheads and sebaceous filaments that other products failed to address.
Repurchase and loyalty
A notable share of reviews are 2nd, 3rd, or multi-time repurchases, indicating satisfaction converts to repeat buying behavior.
Gifting for family members
Several reviewers bought it for spouses, children, siblings, or partners with visible blackheads, suggesting broad household appeal beyond the original purchaser.
Value/bundle pricing
Comments note it is 'cheap and useful,' good value during sales, and that the 150ml bottle lasts many uses, making it attractive for price-conscious buyers.