Influencer and social media recommendations
Multiple reviews mention discovering the product through Instagram, TikTok influencers (e.g., Yerin Ha, Tengo), and online hype, driving initial trial purchases and bulk stockpiling during sales.
Repurchase loyalty and stocking behavior
Numerous reviews explicitly state second, third, or tenth purchases, with consumers bulk-buying during mega sales to maintain supply, indicating strong product satisfaction and habit-forming usage.
Promotional pricing during platform sales
Customers frequently reference buying during Oliveyoung, Naver, or Coupang mega-sales as a key purchase trigger, noting the value proposition relative to regular retail prices.
Brand reputation and product line loyalty
Reviewers mention prior positive experiences with other Arencia products (Deep Water Surge Serum, Red Smoothie Serum, Red Collagen Jello Mask), creating confidence in this serum variant.
Gift and family sharing
Several reviews note purchasing for family members (mother, daughter, sister) who also enjoyed results, suggesting appeal as a gift item and multi-user household product.