Medicube
EGF NAD+ Firming SerumA serum built around Niacinamide, for hydration and barrier repair.
A serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
Brand price
USD 26.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 19.60 · checked 26 Sept 2026 · brand's site
At a Glance
They come out differently on Fragrance-free, EU-allergen-free, Pore-clogger-free, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Benefits
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.
Hydrating17
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Butylene Glycol, Camellia Sinensis Leaf Extract, Caprylic/Capric Triglyceride, Collagen Water, Glycereth-26, Glycerin, Hyaluronic Acid, Hydrolyzed Collagen, Hydrolyzed Glycosaminoglycans, Hydrolyzed Hyaluronic Acid, Propanediol, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Tocopherol, Trehalose
Barrier Repair12
Strengthens and restores the skin's natural barrier.
Camellia Sinensis Leaf Extract, Caprylic/Capric Triglyceride, Caprylyl Glycol, Glycerin, Hydrolyzed Collagen, Lecithin, Niacinamide, Octyldodecanol, Pentaerythrityl Tetraisostearate, Resveratrol, Tocopherol, Tripeptide-1
Reduces Irritation2
Eases discomfort and supports skin resilience.
Concerns
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.
May Worsen Seborrheic Dermatitis18
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-1, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Hydrogenated Lecithin, Lecithin, Octyldodecanol, Octyldodeceth-16, Palmitoyl Hexapeptide-12, Palmitoyl Pentapeptide-4, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, PEG-240/HDI Copolymer Bis-Decyltetradeceth-20 Ether, Pentaerythrityl Tetraisostearate, Polyacrylate Crosspolymer-6, Polyglyceryl-10 Oleate, Polysorbate 20, Potassium Laurate, Stearalkonium Hectorite
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation2
May cause stinging, redness or sensitivity.
Ingredients Side-by-side
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
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
Solvent
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Glycereth-26
Humectant, Viscosity Controlling
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
Learn more about Glycereth-26 →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →Methyl Diisopropyl Propionamide
Fragrance
Butanamide, N,2,3-trimethyl-2-(1-methylethyl)-
Learn more about Methyl Diisopropyl Propionamide →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →
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