Sulwhasoo
The Ultimate S SerumA serum built around Hyaluronic acid, for hydration and barrier repair.
A serum built around Niacinamide and PHA, for hydration and barrier repair.
Brand price
USD 360.00 · checked 26 Sept 2026 · brand's site
Brand price
INR 499.00 · checked 28 Sept 2026 · brand's site

At a Glance

They come out differently on Fragrance-free, EU-allergen-free, Alcohol-free, Silicone-free, Pore-clogger-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.

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, Butylene Glycol, Gluconolactone, Panthenol, Propanediol, Sodium Hyaluronate, Zinc PCA
Barrier Repair4
Strengthens and restores the skin's natural barrier.

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 Dermatitis1
May feed the yeast involved in seborrheic dermatitis.

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
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Nelumbo Nucifera Flower Extract (in both products)
Skin Conditioning
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.
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 →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 →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Nelumbo Nucifera Flower Extract
Skin Conditioning
Nelumbo Nucifera Flower Extract is an extract of the flowers of Nelumbo nucifera, Nymphaeaceae
Learn more about Nelumbo Nucifera Flower Extract →
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