Description
Product Description
The ISOI Brightening Serum is the renowned “Jabtee Serum” that has been Korea’s #1 brightening serum for 12 consecutive years. This 35ml plant-derived functional cosmetic combines precious Bulgarian Rose Oil with powerful brightening ingredients to fade dark spots and reveal a luminous complexion.
Now enhanced with Rose PDRN technology, this upgraded formula delivers even more effective blemish care while maintaining ISOI’s commitment to clean, EWG-verified ingredients. The gentle yet potent formula is suitable for all skin types, including sensitive skin.
Key Benefits
- 12-Year Bestseller: Korea’s #1 brightening serum
- Bulgarian Rose Oil: 3,000 roses for 1ml
- Rose PDRN: Enhanced blemish care technology
- Arbutin: Functional brightening ingredient
- Vitamin C Derivative: Antioxidant brightening
- EWG Verified: Safe, clean formulation
What Customers Love
- Visible Results: “Dark spots are fading”
- Brighter Skin: “Complexion is so radiant”
- Gentle Formula: “Perfect for sensitive skin”
- Rose Scent: “Love the natural fragrance”
How to Use
- After cleansing and toning, dispense 2-3 drops
- Apply evenly to face
- Focus on areas with dark spots or discoloration
- Pat gently until absorbed
- Follow with moisturizer
- Use morning and evening
- Apply sunscreen during daytime
Pro Tip: Use with ISOI Blemish Care Tonic Essence and Up Cream for complete brightening routine. Consistency is key—use for 4+ weeks for visible results.
Key Ingredients
- Bulgarian Rose Oil: Vitamins A & C rich antioxidant
- Rose PDRN: Enhanced regeneration
- Arbutin: Melanin inhibitor
- Vitamin C Derivative: Brightening boost
- Niacinamide: Tone evening
- Ferulic Acid: Antioxidant synergy
- Centella Asiatica: Soothing care
Product Details
- Volume: 35ml / 1.18 fl.oz
- Type: Functional brightening serum
- Certification: EWG Verified, Vegan
- Skin Type: All types, especially blemish-prone, dull
- Ranking: Korea #1 for 12 years
- Brand: ISOI
- Made in: Korea




































Amira from Toronto, Canada (verified owner) –
ワクワクして買ったISOIのブライトニングセラム、正直びっくりした!潤いはそのままでトーンが一気に明るくなった感覚。ブルガリアンローズオイルを使っていて、その香りもまた最高だよね。この季節にもぴったりで、お肌もちょっと華やかになるから好き。ただ最初につけたときは少し独特なテクスチャーだったので驚いたかな。でもお友達みんな私のお肌褒めてくれて、心ポカポカ。それだけ効果出ている証拠じゃない?高評価リピ決定です!
Leila from باريس، فرنسا –
هذا السيروم له تأثير سحري على بشرتي. قمت بشرائه في منتصف الصيف، وفورًا شعرت بالفرق الكبير. يترك البشرة ناعمة ومضيئة. كنت أبحث عن شيء طبيعي يناسب أسلوب حياتي وعثرت عليه هنا.
Leilani from London, UK (verified owner) –
Stepping into a world where the morning sun kisses my skin is something I truly treasure, especially after applying ISOI’s Brightening Serum. From the moment it touches me—silken and ethereal—it speaks to that intricate dance of science with nature through its precious Bulgarian Rose Oil content. My travels in London had made blemishes seem almost like ink stains on my vibrant canvas; however, since embracing this elixir rich with Rose PDRN technology for deeper restoration while harnessing functional brightening goodness from arbutin—the dull patches have faded delightfully! Suitable even for us city dwellers battling elements makes this serum an irresistible ally.
All told, I couldn’t ask more as Leilani finds satisfaction swimming amongst effortlessly illuminated radiance now flourishing within every glance at mirrors throughout cozy spaces amid hustle and bustle.
Thessalia Prowse from Melbourne, Australia (verified owner) –
Euphoria swells each morning as I witness my complexion glow with this serum’s magical touch. Dark spots retreat, leaving an incandescent canvas that inspires self-love!
Aoife from Dublin, Ireland –
واو، أنا ممتن جدًا لاكتشاف سيروم ISOI المشرق. جربت العديد من المنتجات للعناية بالبشرة ولم أجد شيئًا بمثل فعالية هذا السيروم! ورائحته الزهرية تجعله تجربة فاخرة بالنسبة لي عند الاستخدام يوميًا. احصلي على نتائج مرضية بفضل زيوت الورد البلغارية ومكونات تقليل البقع الداكنة المنسية حقًا.
Dewi Sari from Bali, Indonesia (verified owner) –
Setelah menggunakan ISOI Brightening Serum selama dua minggu, saya benar-benar terkesan. Kulit wajahku lebih bercahaya dan noda hitam mulai pudar secara nyata. Keharuman mawar Bulgaria yang lembut menambah pengalaman mewah ini, sungguh terasa efek positifnya untuk kelembapan sekaligus pemulihan kulitku.
Greta Baumann from Berlin, Germany (verified owner) –
Als ich das ISOI Brightening Serum zuerst ausprobierte, war ich skeptisch. Schon oft hatte mich der Traum von strahlender Haut enttäuscht. In meiner Wohnung in Berlin suche ich nach Mitteln, die tatsächlich Ergebnisse liefern – da gibt es viele Versprechen und noch mehr Rückschläge! Doch meine Erwartungen wurden übertroffen: Das Aroma des Bulgaren-Rosenöls ist so frisch wie ein Morgen im Garten Eden. Die dunklen Stellen meines Teints beginnen sich zu lichten, fast mit jeder Anwendung fühle ich eine Erneuerung in meinem Erscheinungsbild sowie Selbstvertrauen hervorblitzen.
Die Einzigartigkeit durch Rose PDRN kann man nicht leugnen; hautreparierende Fähigkeiten? Hier passen sie einfach perfekt zusammen und schaffen lebendige Frische ohne zusätzlich reizende Inhaltsstoffe!