Ingredient reputation and anti-aging efficacy
Consumers specifically mention the 5-peptide complex and retinal as trusted, proven anti-aging ingredients. Multiple reviews cite visible firming, skin tightness, and efficacy that exceeds expectations or comparable products like Celimax.
Price advantage on international platforms
Several buyers highlight purchasing on Olive Young and similar marketplaces as significantly cheaper than local/UK retail prices, making it an affordable entry point to premium K-beauty retinal products.
Positive word-of-mouth and review-driven purchase
Reviewers explicitly state they bought based on reading other positive reviews and the ONE THING brand's trusted reputation across different product lines.
Repurchase and loyalty
Multiple reviews indicate repeat purchases and intention to repurchase, suggesting strong product satisfaction and willingness to return as a tried-and-tested item.
Gift-giving
At least one review mentions purchasing specifically as a gift for a friend, who preferred it over competitor brands like Celimax.