Viral/influencer hype
Many reviewers explicitly mention buying because of TikTok or general online hype, sometimes admitting uncertainty about efficacy before trying it.
Brand trust and PDRN ingredient reputation
Reviewers cite the PDRN, collagen, and niacinamide ingredient story and prior positive experience with other medicube products as reasons for purchase.
Repeat purchase/restocking
A large number of reviews mention this being their 2nd, 3rd, or ongoing repurchase, often stocking up during Olive Young sales.
Gifting
Several reviewers bought extra packs to gift to friends, mothers, or sisters after personally liking the product.
Preparation for special events
Many consumers buy it specifically to use the night before dates, work events, or big occasions for an instant glow.