Ingredient reputation and formulation
Consumers specifically cite the excellent composition and stable form of vitamin C as key purchase drivers, with multiple reviewers mentioning it compares favorably to competitors like Dr. Altheta.
Repurchase loyalty
At least one reviewer mentioned purchasing for the third time and planning winter/autumn use, indicating strong repeat customer behavior and seasonal usage patterns.
Personal recommendations and word-of-mouth
Several reviewers describe it as 'one of the favourite vit c serums' and mention husbands or family members using it, suggesting gift-giving and household recommendation purchases.