Medicube
EGF NAD+ Firming SerumA serum built around Niacinamide, for hydration and barrier repair.
A serum built around Niacinamide, for hydration and barrier repair.
Brand price
Not recorded · brand's site
Brand price
USD 26.00 · checked 26 Sept 2026 · brand's site
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At a Glance

They come out differently on Oil-free; that row is shaded. Tap any answer to see why.

Key Ingredients

Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.

Benefits

Hydrating11
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Butylene Glycol, Collagen Water, Galactomyces Ferment Filtrate, Glycereth-26, Glycerin, Hydrolyzed Hyaluronic Acid, Hydrolyzed Sclerotium Gum, Propanediol, Sucrose, Tripropylene Glycol
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Ceratonia Siliqua Gum, Glycerin, Hydrolyzed Sclerotium Gum, Niacinamide, Tripeptide-1
Hydrating12
Boosts hydration and relieves dry, tight skin.
Acetyl Octapeptide-3, Anhydroxylitol, Butylene Glycol, Ectoin, Ficus Carica Fruit Extract, Glycereth-26, Glycerin, Prunus Persica Fruit Extract, Rosa Canina Fruit Oil, Sodium Hyaluronate, Xylitol, Xylitylglucoside
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Lecithin, Niacinamide, Rosa Canina Fruit Oil, Vaccinium Angustifolium Fruit Extract, Xylitol
Reduces Irritation1
Eases discomfort and supports skin resilience.
Redness Reducing2
Soothes visible redness and calms irritation.

Concerns

May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-38, Palmitoyl Tripeptide-5
May Worsen Seborrheic Dermatitis12
May feed the yeast involved in seborrheic dermatitis.
Acetyl Dipeptide-1 Cetyl Ester, Acetyl Glutamine, Acetyl Hexapeptide-1, Acetyl Octapeptide-3, C12-14 Alketh-12, Hydrogenated Lecithin, Hydrogenated Phosphatidylcholine, Lecithin, Palmitoyl Tripeptide-5, Polyglyceryl-10 Laurate, Rosa Canina Fruit Oil, Sorbitan Laurate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Oily Skin2
May increase shine or excess oil.

Ingredients Side-by-side

1,2-Hexanediol (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Water (in both products)
Skin Conditioning
Antioxidant
Water (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
1,2-Hexanediol (in both products)
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Glycereth-26
Humectant, Viscosity Controlling
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
Learn more about Glycereth-26 →Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Cyanocobalamin
Skin Conditioning
Cyanocobalamin; Vitamine B12
Learn more about Cyanocobalamin →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 →Dextrin
Absorbent, Binding, Bulking, Viscosity Controlling
Dextrin
Learn more about Dextrin →
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