Repeat/loyalty purchase
Very large numbers of reviewers describe this as their 2nd, 3rd, or even 10th bottle, calling it a long-standing staple they always return to even after trying other brands.
Word-of-mouth and social media buzz
Several buyers mention purchasing because of high review scores or TikTok recommendations, though a couple noted the hype didn't fully match their experience.
Gifting
Multiple reviewers bought extra bottles as gifts for mothers, sisters, cousins, and friends, citing the pleasant scent and gentle results as gift-worthy.
Established reputation as a category leader
Many reviews call it 'the best hair serum on the market' or reference having used it for years, indicating strong brand equity in the K-beauty hair care space.
Value when discounted
Some buyers specifically mention stocking up when the product went on sale, citing generous volume and affordable price per use.