Sulwhasoo
The Ultimate S Infusion TreatmentA serum built around Niacinamide and Panthenol, for hydration and barrier repair.
A serum built around Niacinamide and Retinoid, for barrier repair and hydration.
Brand price
USD 215.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 590.00 · checked 26 Sept 2026 · brand's site
At a Glance
Every check both products could be assessed on comes out the same. Tap any answer to see why.
Key Ingredients
Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Benefits
Hydrating19
Boosts hydration and relieves dry, tight skin.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Betaine, Butylene Glycol, Glycerin, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Jojoba Esters, Mannitol, Methyl Gluceth-20, Panthenol, Phenyl Trimethicone, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Polyaspartate, Tocopherol
Barrier Repair16
Strengthens and restores the skin's natural barrier.
Arachidyl Alcohol, Behenyl Alcohol, Betaine, Caprylyl Glycol, Cetyl Ethylhexanoate, Glycerin, Glyceryl Caprylate, Glycine Soja Oil, Jojoba Esters, Niacinamide, Panax Ginseng Root Extract, Panax Ginseng Seed Oil, Panthenol, Phenyl Trimethicone, Phytosphingosine, Tocopherol
Hydrating25
Boosts hydration and relieves dry, tight skin.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Beta-Glucan, Betaine, Butylene Glycol, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Ectoin, Glycerin, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Hydrolyzed Proanthocyanidin, Jojoba Esters, Mannitol, Methyl Gluceth-20, Polyglycerin-3, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Soluble Collagen, Squalane, Theanine, Tocopherol
Barrier Repair28
Strengthens and restores the skin's natural barrier.
Behenyl Alcohol, Betaine, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Caprylyl Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Ethylhexyl Stearate, Glycerin, Glyceryl Caprylate, Glycine Soja Oil, Hydrogenated Poly(C6-14 Olefin), Hydrogenated Polyisobutene, Hydrolyzed Proanthocyanidin, Isononyl Isononanoate, Jojoba Esters, Methyl Glucose Sesquistearate, Niacinamide, Octyldodecyl Myristate, Panax Ginseng Berry Extract, Panax Ginseng Root Extract, Panax Ginseng Seed Oil, Pentaerythrityl Tetraethylhexanoate, Phytosteryl Isostearyl Dimer Dilinoleate, Squalane, Theanine, Tocopherol, Tripeptide-1
Reduces Irritation4
Eases discomfort and supports skin resilience.
Achillea Millefolium Extract, Beta-Glucan, Jojoba Esters, Palmitoyl Tetrapeptide-7
Redness Reducing3
Soothes visible redness and calms irritation.
Concerns
May Worsen Seborrheic Dermatitis15
May feed the yeast involved in seborrheic dermatitis.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Acetyl Tetrapeptide-11, Arachidyl Alcohol, Arachidyl Glucoside, Behenyl Alcohol, Cetyl Ethylhexanoate, Glycine Soja Oil, Hydrogenated Lecithin, Jojoba Esters, Panax Ginseng Seed Oil, Phytosphingosine, Sodium Acetylated Hyaluronate, Sodium Methyl Stearoyl Taurate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Trigger Acne6
Can clog pores or trigger breakouts.
Cetearyl Alcohol, Ethylhexyl Stearate, Glycine Soja Oil, Sorbitan Isostearate, Steareth-2, Tocopherol
May Worsen Seborrheic Dermatitis28
May feed the yeast involved in seborrheic dermatitis.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Acetyl Tetrapeptide-11, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Behenyl Alcohol, Butyrospermum Parkii Butter, Cetearyl Alcohol, Cetearyl Glucoside, Ethylhexyl Stearate, Glycine Soja Oil, Hydrogenated Lecithin, Jojoba Esters, Lauroyl Lysine, Methyl Glucose Sesquistearate, Octyldodecyl Myristate, Palmitoyl Hexapeptide-12, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Panax Ginseng Seed Oil, Phytosteryl Isostearyl Dimer Dilinoleate, Phytosteryl/Octyldodecyl Lauroyl Glutamate, Polyglyceryl-3 Methylglucose Distearate, Polysorbate 60, Sodium Acetylated Hyaluronate, Sorbitan Isostearate, Steareth-2, Steareth-21
May Worsen Keratosis Pilaris6
May clog follicles or strip skin prone to keratosis pilaris.
Cetearyl Alcohol, Ethylhexyl Stearate, Glycine Soja Oil, Sorbitan Isostearate, Steareth-2, Tocopherol
May Worsen Oily Skin4
May increase shine or excess oil.
Butyrospermum Parkii Butter, Glycine Soja Oil, Panax Ginseng Seed Oil, Squalane
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
Methyl Gluceth-20 (in both products)
Humectant
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Behenyl Alcohol (in both products)
Emollient
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
1,2-Hexanediol (in both products)
Skin Conditioning
Methoxy PEG-114/POLYEPSILON Caprolactone (in both products)
Buffering
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Pentaerythrityl Tetraethylhexanoate
Emollient
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Hydrogenated Poly(C6-14 Olefin)
Emollient
Polyglyceryl-3 Methylglucose Distearate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
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.
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 →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 →Methyl Gluceth-20
Humectant, Moisturising
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
Learn more about Methyl Gluceth-20 →Behenyl Alcohol
Binding, Emulsion Stabilising, Emollient, Viscosity Controlling
Behenyl Alcohol isn't fungal acne safe.
Learn more about Behenyl Alcohol →Betaine
Hair Conditioning, Humectant, Humectant
Betaine is the zwitterion (inner salt) that conforms to the formula
Learn more about Betaine →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Methoxy PEG-114/POLYEPSILON Caprolactone
Buffering, Film Forming, Hair Conditioning
Methylpoly(oxyethylene)poly(oxy-1-oxohexylene)ol (114 mol EO average)
Learn more about Methoxy PEG-114/POLYEPSILON Caprolactone →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Carbomer
Emulsion Stabilising, Gel Forming, Viscosity Controlling
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
Learn more about Carbomer →
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