Existing loyalty to the S.NATURE squalane cream line
Many buyers say they already use and love the brand's squalane moisturizing cream or toner and purchased the serum to complete the line.
Value bundle with refill and mini cream
Reviewers repeatedly highlight that the set includes a full 50mL refill plus a bonus moisturizing cream, making it feel like excellent value, especially on sale.
Influencer and word-of-mouth recommendation
Several reviewers mention discovering the product through Korean YouTubers, Japanese influencers, or friend/online recommendations before buying.
Repurchase / restocking a proven favorite
A large share of reviews are repeat buyers restocking their 2nd through 20th bottle, citing consistent results as the reason for reordering.
Reputation of squalane as a gentle, effective hydrating ingredient
Buyers cite squalane's known moisturizing and pore-refining reputation as a reason to trust the product for dry or sensitive skin.