— · Hair care
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4.6
48 reviews
Rating breakdown
Most-mentioned keywords
Why consumers buy
Repurchase loyalty and brand trust
Multiple consumers report purchasing the product repeatedly ("purchased so many times," "I bought it again"), indicating strong satisfaction and trust in the Kerasys brand ecosystem across hair care lines.
Positive word-of-mouth and review influence
Consumers explicitly cite reading good reviews as motivation for purchase, suggesting marketing reviews and social proof drive conversion in international markets.
Targeted need for damage repair
Buyers specifically purchase for severely damaged hair from dyeing and chemical treatments, positioning the product as a solution for high-damage conditions.
Promotional pricing and perceived value
Multiple reviews mention buying during sales or noting the product is "quite a bargain for the price," indicating price-sensitive consumers are attracted by discounts and value perception.
Portable size and convenience
The 70ml size is praised as fitting "in the hand" and easy to carry, appealing to consumers seeking travel-friendly or on-the-go hair care solutions.
How they use it
Application to hair ends when wet
Consumers report applying the serum to hair ends after shampooing while hair is wet, using minimal quantities ("2-3 drops," "a 50 won coin amount") for effectiveness.
Sentiment breakdown
Share of analyzed reviews by overall sentiment.
Post-drying smoothing treatment
Some users apply the serum after hair drying to rough or frizzy sections to smooth and calm, suggesting use as a finishing product for styling.
Minimal quantity requirement
Reviewers repeatedly note that small amounts (drops or coin-sized portions) are sufficient, with one user appreciating the product works well "even with a small amount."
Regular maintenance in hair care routine
The product is integrated into daily or regular hair care routines alongside shampoo, functioning as a treatment step rather than occasional use.
