Beginner-friendly retinol reputation
Many buyers specifically chose this product because it is recommended as a gentle, low-percentage (0.1%) entry point into retinol use for sensitive or first-time users.
Brand trust in COSRX
Reviewers repeatedly cite positive past experience with COSRX products and general brand reliability as a reason for purchase.
Ingredient reputation (retinol + soothing actives)
The combination of retinol with panthenol and vitamin E is mentioned as a draw for people wanting anti-aging benefits without harsh irritation.
Repurchase/loyalty
A large number of reviews are repeat purchases, with customers noting this is their 2nd, 3rd, or 'countless' reorder due to consistent results.
Price and value during sales
Several buyers mention purchasing during Olive Young sales or subscription beauty boxes because of affordable pricing relative to efficacy.