Repeat/repurchase loyalty
A very large share of reviewers explicitly say this is their 2nd, 3rd, or an uncountable repeat purchase, often citing years of continuous use, showing strong retention once tried.
Brand reputation (Ryo)
Many buyers cite trust in the Ryo brand overall or say they buy 'whatever Ryo makes,' associating it with quality Korean haircare heritage.
Hair loss / thinning concern
A large portion purchased specifically to address hair loss, thinning, or shedding, often after seeing positive reviews or recommendations targeting this issue.
Gifting for family members
Numerous reviewers bought it for mothers, husbands, sisters, or girlfriends, suggesting it's perceived as a safe, effective gift for older or hair-loss-concerned relatives.
Sale/discount pricing
Several reviewers mention buying multiples or trying the product for the first time specifically because it was on sale or good value compared to buying Korean brands abroad.