Sulwhasoo
The Ultimate S SerumA serum built around Hyaluronic acid, for hydration and barrier repair.
A serum built around Retinoid and Niacinamide, for barrier repair and smoothing.
Brand price
USD 360.00 · checked 26 Sept 2026 · brand's site
Brand price
INR 599.00 · checked 28 Sept 2026 · brand's site

At a Glance

They come out differently on EU-allergen-free, Alcohol-free, Oil-free, Vegan 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.
Chemical sunscreen1
Organic UV filters that absorb UV and release it as heat.

Benefits

Hydrating18
Boosts hydration and relieves dry, tight skin.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Beta-Glucan, Bis-Peg-18 Methyl Ether Dimethyl Silane, Butylene Glycol, Dimethicone, Dimethiconol, Glycereth-26, Glycerin, Honey, Hydrolyzed Proanthocyanidin, Panax Ginseng Root Protoplasts, Propanediol, Sodium Hyaluronate, Sodium Polyaspartate, Tocopherol, Trehalose
Barrier Repair15
Strengthens and restores the skin's natural barrier.
Bis-Peg-18 Methyl Ether Dimethyl Silane, Caprylyl Glycol, Dimethicone, Dimethiconol, Glycerin, Hydrogenated Poly(C6-14 Olefin), Hydrogenated Polydecene, Hydrolyzed Proanthocyanidin, Panax Ginseng Berry Extract, Panax Ginseng Root Extract, Pentaerythrityl Tetraethylhexanoate, Phytosphingosine, PPG-5-LAURETH-5, Sodium Polyacrylate, Tocopherol
Hydrating7
Boosts hydration and relieves dry, tight skin.
Betaine, Caprylic/Capric Triglyceride, Dimethicone, Propanediol, Propylene Glycol, Sodium Hyaluronate, Tocopherol
Barrier Repair12
Strengthens and restores the skin's natural barrier.
Allantoin, Behenyl Alcohol, Betaine, Caprylic/Capric Triglyceride, Cetearyl Olivate, Dicaprylyl Carbonate, Dimethicone, Garcinia Indica Seed Butter, Glyceryl Stearate, Niacinamide, Propylene Glycol, Tocopherol

Concerns

May Worsen Seborrheic Dermatitis11
May feed the yeast involved in seborrheic dermatitis.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Hydrogenated Lecithin, Hydrogenated Phosphatidylcholine, Phytosphingosine, Polysorbate 60, PPG-5-LAURETH-5, Sodium Methyl Stearoyl Taurate, Sorbitan Isostearate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation5
May cause stinging, redness or sensitivity.
Alcohol Denat., Benzyl Salicylate, Fragrance, Limonene, Tocopherol
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Behenyl Alcohol, Cetearyl Olivate, Garcinia Indica Seed Butter, Glyceryl Stearate, Palmitoyl Glycine, Polysorbate 20, Sorbitan Olivate

Ingredients Side-by-side

Skin Conditioning
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Pentaerythrityl Tetraethylhexanoate
Emollient
Hydrogenated Poly(C6-14 Olefin)
Emollient
Emollient
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
1 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Possibly animal-derived
- May Worsen Seborrheic Dermatitis
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Dimethicone
Antifoaming, Skin Conditioning, Emollient, Skin Protecting
Dimethicone is a silicone.
Learn more about Dimethicone →Polymethylsilsesquioxane
Opacifying
Polymethylsilsesquioxane is a silicone.
Learn more about Polymethylsilsesquioxane →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →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 →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Tocopherol
Antioxidant, Fragrance, Skin Conditioning, Occlusive
Tocopherol is vitamin E.
Learn more about Tocopherol →Sodium Hydroxide
Buffering, Denaturant
Sodium hydroxide
Learn more about Sodium Hydroxide →
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