hanasui Power Barrier Serum

Ingredients overview

Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.

Ingredients are listed in label order; the order reflects the label only, not exact concentrations.

1. Aqua
2. Niacinamide
3. Saccharide Isomerate
4. Glycerin
5. Hydroxyethyl Urea
6. Pentylene Glycol
7. Betaine
8. Biosaccharide Gum-1
9. Centella Asiatica Leaf Extract
10. Propanediol
11. Phenoxyethanol
12. PEG-40 Hydrogenated Castor Oil
13. Inositol
14. Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
15. Polyacrylate Crosspolymer-6
16. PEG-7 Glyceryl Cocoate
17. Allantoin
18. Sodium Hyaluronate
19. Disodium EDTA
20. Lactic Acid
21. Lactobacillus/Collagen Ferment Filtrate
22. Panthenol
23. Tocopheryl Acetate
24. 1,2-Hexanediol
25. Ceramide NP
26. Hydrogenated Lecithin
27. Citric Acid
28. Sodium Citrate
29. Xanthan Gum
30. Glycine Soja Sterols
31. Sodium Polygamma-Glutamate
32. Hyaluronic Acid
33. Hydrolyzed Hyaluronic Acid
34. Hydrolyzed Sodium Hyaluronate
35. Hydroxypropyltrimonium Hyaluronate
36. Potassium Hyaluronate
37. Sodium Acetylated Hyaluronate
38. Sodium Hyaluronate Crosspolymer
39. Chlorphenesin

Highlights

Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of essential oilsFree of formaldehyde releasersContains mineral oilContains PEGContains animal-derived

Key ingredients

SOLVENT

Aqua

SMOOTHING

Niacinamide

HUMECTANT

Saccharide Isomerate

DENATURANT

Glycerin

HAIR CONDITIONING

Hydroxyethyl UreaBetaine

SKIN CONDITIONING

Pentylene GlycolBiosaccharide Gum-1

Other ingredients

Centella Asiatica Leaf ExtractPropanediolPhenoxyethanolPEG-40 Hydrogenated Castor OilInositolHydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate CopolymerPolyacrylate Crosspolymer-6PEG-7 Glyceryl CocoateAllantoinSodium HyaluronateDisodium EDTALactic AcidLactobacillus/Collagen Ferment FiltratePanthenolTocopheryl Acetate1,2-HexanediolCeramide NPHydrogenated LecithinCitric AcidSodium CitrateXanthan GumGlycine Soja SterolsSodium Polygamma-GlutamateHyaluronic AcidHydrolyzed Hyaluronic AcidHydrolyzed Sodium HyaluronateHydroxypropyltrimonium HyaluronatePotassium HyaluronateSodium Acetylated HyaluronateSodium Hyaluronate CrosspolymerChlorphenesin

Skim through

Ingredients explained

Aqua

Solvent, main base; microbial control is critical

Niacinamide

Niacinamide at 2–5%; improves texture, controls oil, brightens; high levels may cause sensitivity

Saccharide Isomerate

Novel polyol humectant with skin feel improvement; high hydration, suitable for lightweight formulas.

Glycerin

Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives

Hydroxyethyl Urea

Potent humectant and conditioner; high penetration, used for skin hydration and hair care

Pentylene Glycol

Polyol humectant at 1-3%; low irritancy, suitable for sensitive skin

Betaine

Betaine for mild moisturizing/surfactant; low concentration 1-2% common, high may irritate.

Biosaccharide Gum-1

Biosaccharide Gum-1, fermented colloid for hydration and soothing, low comedogenic.

Centella Asiatica Leaf Extract

Centella asiatica extract for repair and soothing; contains asiaticoside, good for barrier

Propanediol

Polyol solvent at 1–5%; light feel, aids solubilization, propylene glycol alternative

Phenoxyethanol

Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin

PEG-40 Hydrogenated Castor Oil

Solubilizer and emulsifier for oil-soluble ingredients; high concentrations may cause contact dermatitis in sensitive skin.

Inositol

Humectant at 0.5–2%; gentle moisturizing, suitable for sensitive skin

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

High-molecular-weight thickener and emulsion stabilizer; requires electrolytes or acid adjustment near isoelectric point for optimal performance.

Polyacrylate Crosspolymer-6

Water-soluble thickener; requires neutralizer, performs best at pH 5–7

PEG-7 Glyceryl Cocoate

PEG-modified nonionic surfactant for emulsification and cleansing; contains PEG, monitor dioxane, low comedogenicity.

Allantoin

Skin soother at 0.5-2%; promotes cell regeneration

Sodium Hyaluronate

Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture

Disodium EDTA

Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy

Lactic Acid

AHA pH adjuster at 0.5-5%; exfoliation/humectancy, mild at low conc., irritating at high, avoid conflict with alkaline preservatives.

Lactobacillus/Collagen Ferment Filtrate

Not decoded yet

Panthenol

Panthenol (vitamin B5) at 1–5%; moisturizing and reparative, supports barrier recovery

Tocopheryl Acetate

Vitamin E derivative antioxidant at 0.1–1%; more stable than tocopherol, store protected from light

1,2-Hexanediol

Polyol solvent and preservative booster at 1–5%; light feel, can replace some traditional preservatives

Ceramide NP

Ceramide N3 for barrier repair; lipophilic, needs oil phase or emulsion, avoid high standalone use.

Hydrogenated Lecithin

Emulsifier from lecithin; stable, used in powder emulsions

Citric Acid

Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH

Sodium Citrate

Sodium citrate for buffering and chelating; adjust pH, careful with strong acid reactions.

Xanthan Gum

Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration

Glycine Soja Sterols

Plant-derived emollient and conditioner; high purity and suitable for sensitive skin

Sodium Polygamma-Glutamate

Hygromectant and chelator that boosts gel viscosity; biocompatible with low allergenic potential.

Hyaluronic Acid

High-water-binding humectant at 0.1-1%; high-MW for surface film, low-MW for dermal potential, check cationic compatibility.

Hydrolyzed Hyaluronic Acid

Low-MW humectant with superior penetration vs high-MW; 0.1-0.5% typical, hygroscopic, store dry to prevent clumping.

Hydrolyzed Sodium Hyaluronate

Low-molecular-weight hyaluronic acid derivative with better penetration and strong hydration; different molecular weights provide hydration at various depths, typical concentration 0.1-1%.

Hydroxypropyltrimonium Hyaluronate

Cationic hyaluronic acid, 0.1–1%; water-soluble thickener and conditioning agent.

Potassium Hyaluronate

Hyaluronic salt, excellent humectant; efficacy varies with MW, best with occlusive base

Sodium Acetylated Hyaluronate

Acetylated HA; modified for hydrophobicity, improved penetration and non-tacky feel compared to standard HA.

Sodium Hyaluronate Crosspolymer

Crosslinked high-MW HA; forms surface hydrogel for long-lasting hydration, minimal penetration, physical film-forming.

Chlorphenesin

Phenolic antimicrobial; strict EU limits apply, potential allergen, careful dosing required for leave-on products.

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