Brand Reputation and Product Line Loyalty
Multiple consumers purchased this serum specifically because they already trusted ISOI products, indicating strong brand equity and successful cross-selling within the product line.
Niacinamide Ingredient Appeal
Consumers were attracted to the product for its active ingredients, particularly niacinamide, which appealed to those seeking brightening and calming benefits for sensitive or blemish-prone skin.
Gift and Personal Recommendations
Several reviews mention receiving the product as a gift or being influenced by friends' recommendations, suggesting strong word-of-mouth marketing potential.
Problem-Solving Purchase
Consumers with specific skin concerns—dermatitis, acne, blemishes, irritation marks—purchased this serum as a targeted solution after trying other whitening or calming serums.