Medicube
Retinol NMN Boosting SerumA serum built around Retinoid and Vitamin E, for barrier repair and hydration.
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 22.00 · checked 8 Oct 2026 · brand's site

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

Hydrating13
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Acetyl Tetrapeptide-5, Beta-Glucan, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Glycereth-26, Glycerin, Panthenol, Propanediol, Sodium Hyaluronate Crosspolymer, Squalane, Tocopherol
Barrier Repair16
Strengthens and restores the skin's natural barrier.
Allantoin, Bifida Ferment Lysate, Brassica Campestris Sterols, Camellia Japonica Flower Extract, Caprylic/Capric Triglyceride, Ceramide NP, Cetyl Ethylhexanoate, Cholesterol, Elaeis Guineensis Oil, Eriobotrya Japonica Leaf Extract, Glycerin, Macadamia Ternifolia Seed Oil, Niacinamide, Panthenol, Squalane, Tocopherol
Reduces Irritation8
Eases discomfort and supports skin resilience.
Allantoin, Asiatic Acid, Asiaticoside, Beta-Glucan, Centella Asiatica Leaf Extract, Madecassic Acid, Palmitoyl Tetrapeptide-7, Panthenol
Redness Reducing6
Soothes visible redness and calms irritation.
Allantoin, Asiatic Acid, Asiaticoside, Centella Asiatica Leaf Extract, Madecassic Acid, Niacinamide
Hydrating16
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Collagen, Collagen Water, Glycereth-26, Glycerin, Hydrolyzed Collagen, Polyglutamic Acid, Polyglycerin-3, Propanediol, Sodium Hyaluronate, Soluble Collagen, Squalane, Tocopherol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Caprylic/Capric Triglyceride, Ceramide NP, Cetearyl Olivate, Glycerin, Hydrolyzed Collagen, Niacinamide, Panax Ginseng Root Extract, Squalane, Tocopherol

Concerns

May Worsen Seborrheic Dermatitis15
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Aluminum/Magnesium Hydroxide Stearate, Ceramide NP, Cetyl Ethylhexanoate, Elaeis Guineensis Oil, Glyceryl Citrate/Lactate/Linoleate/Oleate, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-5, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Polyacrylate Crosspolymer-6, Polyglyceryl-10 Laurate, Polyglyceryl-10 Oleate, Potassium Cetyl Phosphate
May Worsen Oily Skin3
May increase shine or excess oil.
Elaeis Guineensis Oil, Macadamia Ternifolia Seed Oil, Squalane
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Ceramide NP, Cetearyl Olivate, Hydrogenated Lecithin, Polyglyceryl-10 Laurate, Sorbitan Olivate

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
Water (in both products)
Skin Conditioning
Emollient
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Hydrogenated Lecithin (in both products)
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Water (in both products)
Skin Conditioning
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
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 →Glycereth-26
Humectant, Viscosity Controlling
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
Learn more about Glycereth-26 →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →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 →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →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 →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Polyglyceryl-10 Laurate
Skin Conditioning, Emulsifying
Polyglyceryl-10 Laurate isn't fungal acne safe.
Learn more about Polyglyceryl-10 Laurate →Ammonium Acryloyldimethyltaurate/Vp Copolymer
Viscosity Controlling
Ammonium Acryloyldimethyltaurate/VP Copolymer is a copolymer of ammonium acryloyldimethyltaurate and vinylpyrrolidone monomers
Learn more about Ammonium Acryloyldimethyltaurate/Vp Copolymer →
Similar Comparisons
Each product against its closest dupes.
- View the comparison

Medicube
Retinol NMN Boosting Serum

Medicube
Deep Reviving Bakuchiol Retinol Serum
- View the comparison

K-Secret
Seoul 1988 Boosting Serum: Collagen Complex 7 + Red Ginseng

K-Secret
Seoul 1988 Glow Serum: Niacinamide 15% + Yuja
- View the comparison

Medicube
Retinol NMN Boosting Serum

Medicube
Vita A Retinal Volume Booster Serum
- View the comparison

K-Secret
Seoul 1988 Boosting Serum: Collagen Complex 7 + Red Ginseng

Beauty of Joseon
Pore Firming Serum : Red Bean PDRN™ + Peptide