Loyalty to the ILLIYOON brand/line
Many buyers already used ILLIYOON body cream or lotion and purchased the oil to complete or layer with their existing routine.
Influencer and word-of-mouth recommendation
Multiple reviewers cite specific Instagram influencers or friends who recommended the oil, driving trial purchases.
Reputation for soothing dry/itchy/eczema-prone skin
Buyers with eczema, psoriasis, or chronic winter itchiness sought the product specifically for its 'Red Itch Care' positioning.
Repeat/repurchase due to satisfaction
A large share of reviews explicitly say 'repeat purchase' (リピート), often stocking up before winter or during sales to avoid running out.
Bundled free cream and promotions
The included 30ml cream and frequent sale pricing were mentioned as added incentives to buy the set.