Repeat purchase/brand loyalty
Many reviewers explicitly state this is their 2nd, 3rd, or 4th+ bottle, citing consistent results as the reason for repurchasing.
Value bundle with refill and gel pads
Buyers frequently cite the refill pack plus gel pad set as a money-saving deal compared to buying single bottles, especially during Olive Young promotions.
PDRN/peptide ingredient reputation
Consumers sought this product specifically for its PDRN and collagen-peptide formulation, associated with skin repair and anti-aging benefits.
Social proof and recommendations
Several reviewers mention buying after seeing friends, social media, or online recommendations praising the product.
Gifting
A number of reviewers purchased the set as a gift for mothers, sisters, or friends who also loved the product.