Image: Rejuran
Rejuran
Pore Tightening Ampoule
A serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
Brand price
USD 42.00 · checked 28 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Dullness
- Large pores
- Uneven texture
- Oiliness & shine
How to use
After cleansing and toning, apply 3–5 drops of the ampoule to clean fingertips and gently massage onto your face, neck, and décolletage (avoiding direct contact with eyes). Allow the serum to fully absorb before following up with your preferred moisturizer and sunscreen. For best results, use once or twice daily. The product can be applied to the face.
What's inside
Ingredients List
3 trigger at least one check · 22 trigger none
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Key Ingredients
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating7
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Glycereth-26, Glycerin, Hyaluronic Acid, Panthenol, PEG-8, Sodium Hyaluronate
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Allantoin, Glycerin, Glycyrrhiza Glabra Root Extract, Niacinamide, Panthenol, Vaccinium Angustifolium Fruit Extract, Yeast Extract
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Glycyrrhiza Glabra Root Extract, Panthenol, Salix Alba Bark Extract, Vaccinium Angustifolium Fruit Extract
Redness Reducing5
Soothes visible redness and calms irritation.
Allantoin, Glycyrrhiza Glabra Root Extract, Niacinamide, Salix Alba Bark Extract, Vaccinium Angustifolium Fruit Extract
Anti-Pollution4
Helps defend against airborne pollutants.
Allantoin, Glycerin, Vaccinium Angustifolium Fruit Extract, Yeast Extract
Concerns
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Polysorbate 20
Ingredients Explained
Click on any ingredient to learn more about it
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Morus Nigra Leaf Extract
Skin Conditioning
Morus Nigra Leaf Extract is an extract of the dried leaves of the Black Mulberry, Morus Nigra L., Moraceae
Learn more about Morus Nigra Leaf Extract →Salix Alba Bark Extract
Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic
Salix Alba Bark Extract is an extract of the bark of the White Willow, Salix alba L., salicaceae
Learn more about Salix Alba Bark Extract →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Vaccinium Angustifolium Fruit Extract
Skin Protecting, Soothing
Vaccinium Angustifolium Extract is an extract of the fruit of the Blueberry, Vaccinium angustifolium, Ericaceae
Learn more about Vaccinium Angustifolium Fruit Extract →Glycyrrhiza Glabra Root Extract
Bleaching, Perfuming, Skin Conditioning, Emollient, Smoothing, Soothing
Glycyrrhiza Glabra Root Extract is an extract of the roots of the Licorice, Glycyrrhiza glabra L., Leguminosae
Learn more about Glycyrrhiza Glabra Root Extract →Calendula Officinalis Flower Extract
Fragrance, Perfuming, Skin Conditioning
Calendula Officinalis Flower Extract is an extract obrained from the flowers of the Calendula, Calendula officinalis L., Compositae
Learn more about Calendula Officinalis Flower Extract →Yeast Extract
Skin Conditioning, Skin Protecting
Yeast Extract is the extract of Yeast
Learn more about Yeast Extract →
Dupes
- Rejuran Turnover Ampoule74% match
- Rejuran Dual Effect Ampoule72% match
- Medicube PDRN Pink One Day Serum68% match
- Rejuran Recover c-PDRN® Lifting Ampoule68% match
- Numbuzin No.3 Skin Softening Serum68% match
- Beauty of Joseon Pore Firming Serum : Red Bean PDRN™ + Peptide68% match