— · Serum
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4.6
221 reviews
Rating breakdown
Most-mentioned keywords
Why consumers buy
Brand trust and reputation
Many reviewers cite MEDIHEAL's established reputation (especially from its sheet masks) as a reason to trust the serum, with comments like 'さすがメディヒールです' and pairing it with other MEDIHEAL products.
Affordable price point
Reviewers frequently mention it's a good value 'for the price' and stock up heavily during OliveYoung sales, treating it as an accessible entry into vitamin C serums.
Gift purchases
Multiple reviewers bought it as a gift for mothers, daughters, or friends, citing its gentle, low-irritation formula as suitable for a wide range of skin types.
Influencer/word-of-mouth recommendation
Several buyers mention purchasing after seeing a favorite YouTuber recommend it or on a friend's suggestion.
Repurchase/loyalty
A large number of reviews note this is their 2nd, 3rd, or '5th bottle,' indicating high repeat-purchase rates once initial results are seen.
How they use it
Morning routine staple
Most reviewers use it as a daily morning step, valuing its quick absorption and non-sticky finish that allows makeup application afterward.
Layering with actives
Skin concerns raised — and how the product addressed them
✓Most reviewers report visibly brighter, more even skin tone after consistent daily use, often within 2-4 weeks.
✓Many long-term users describe gradual fading of acne scars and dark spots, though some note results are partial or slow rather than complete.
✓The majority find the serum non-irritating and suitable for sensitive skin, though a minority report stinging, eye irritation, or breakouts.
Sentiment breakdown
Share of analyzed reviews by overall sentiment.
Some reviewers pair it with retinol/tretinoin at night or niacinamide-rich routines, alternating AM/PM to avoid irritation.
Combined with MEDIHEAL sheet masks
Several buyers explicitly use the serum before or after MEDIHEAL brightening/Madecassoside masks for enhanced effect.
Seasonal/UV protection use
A subset of Japanese reviewers purchase it seasonally ahead of stronger UV exposure as part of anti-dullness prevention.
Reduced frequency for sensitive skin
Some users with reactive skin apply it only 3-4 times per week or start slowly to build tolerance rather than daily.
✓Some reviewers say it helped clear breakouts and reduce acne marks, while a smaller group reported the product caused new closed comedones.
✓A few reviewers note the serum helped tighten or reduce the appearance of pores with regular use, though effects are described as mild.
Concerns and outcomes summarized from reviews; percentages are approximate.
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