REJURAN Dual Effect Ampoule
Ingredients and claims, checked
Last checked September 21, 2026
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What is it like at a glance?
What is this product?
- What to expect
- This ampoule is registered in Korea as a functional cosmetic for brightening and wrinkle improvement.
- Key ingredients
- Gerotine/Hydrolyzed DNA, Hydrolyzed DNA, Niacinamide
- When
- Morning and evening
It comes in a 30 ml size.
What's good, and what to watch for?
Good points
- Registered as a brightening and wrinkle-care functional cosmetic
- Ceramide replenishes the skin barrier
Watch-outs
- If you get fungal acne: Polysorbate 20
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 1 with no dictionary entry, left in Korean.
Key ingredientWorth a closer look
- Water
- PEG-6
- Glycerin
- Rubus Fruticosus (Blackberry) Leaf Extract
- Sodium Hyaluronate
- Dipropylene Glycol
- Butylene Glycol
- Niacinamide
- 1,2-Hexanediol
- Gerotine/Hydrolyzed DNA
- 로우스위트베리추출물
- Aloe Barbadensis Leaf Juice
- Carbomer
- Calendula Officinalis Flower Extract
- Morus Nigra Fruit Extract
- Glycyrrhiza Glabra (Licorice) Root Extract
- Squalane
- Hydrolyzed DNA
- Xanthan Gum
- Hydrogenated Lecithin
- Caprylyl Glycol
- Ethylhexylglycerin
- Polysorbate 20
- Hexylene Glycol
- Ceramide NP
- Adenosine
- Urea
- Trehalose
- Pentylene Glycol
- Arbutin
- Tocopheryl Acetate
- Bisabolol
- Cholesterol
- Serine
- Inulin Lauryl Carbamate
- Algin
- Disodium Phosphate
- Glyceryl Polyacrylate
- Pullulan
- Potassium Phosphate
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- You can expect:
- less visible dark spots · softer-looking fine lines
- Don't count on:
- firmer skin
See each claim, checked (8)
Claims, checked
Whitening, wrinkle improvement dual functional
backed by evidenceThrough patented technology DOT™, a proprietary skin care ingredient obtained from salmon DNA
plausible, not testedStrict GMP quality management system
plausible, not testedPresent a new dimension of elasticity
overstatedPowerful skin boosting effect presented by c-PDRN ampoule
overstatedVisible effect in just 2 weeks, tighten 5 major wrinkles
no supporting source foundKorea's only DNA purification patented technology DOT
no supporting source foundRejuran Cosmetic Signature Ampoule
nothing specific to check
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.