Product pairing with other Treecell items
Multiple reviewers specifically mention buying this shampoo after enjoying other Treecell products (ampoule, treatment). The brand has established a loyal cross-category customer base.
Refill set convenience and value
Consumers highlight the refill format's practical appeal and competitive pricing, with several noting they appreciate receiving both a main bottle and refill at a reasonable price point.
Online reputation and word-of-mouth
Several buyers state they purchased after seeing high ratings online or reading positive reviews. The product has established strong digital word-of-mouth, particularly on Korean platforms.
Repeat purchase and loyalty
Numerous reviews from customers who have repurchased multiple times (some for 3+ years), indicating strong product satisfaction and habit formation.