Color maintenance for dyed/bleached hair
Most buyers purchase specifically to maintain blonde, purple, ash, and other cool-toned dyes, prevent brassiness, and extend color vibrancy between salon visits.
Recommendation from beauty professionals
Multiple reviewers mention purchasing on recommendation from hair salons and stylists after perming or dyeing services.
Superior performance vs. Western alternatives
Several customers explicitly note this Korean product outperforms US drugstore purple shampoos they had previously used.
Repurchase loyalty
Numerous reviews indicate repeat purchases due to satisfaction with results, suggesting strong product-market fit among core users.
Value for money
Consumers appreciate the pricing relative to efficacy, particularly when purchased with coupons or discounts.