PDRN Rice & Green Tea Glowing Peel Off Mask
The Knours PDRN Rice & Green Tea Glowing Peel Off Mask is a leave on & sleeping mask. Our analysis of its 64 ingredients (42 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The Knours PDRN Rice & Green Tea Glowing Peel Off Mask is a leave on & sleeping mask. Our analysis of its 64 ingredients (42 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Rice Ferment Filtrate
(Skin Conditioning) |
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Water
(Solvent) |
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Polyvinyl Alcohol
(Binding Agent, Film Forming, Viscosity Increasing Agent, Viscosity Controlling) |
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1,2-Hexanediol
(Solvent) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
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Saccharomyces/Rice Ferment Filtrate
(Skin Conditioning) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Oryza Sativa Bran Water
(Fragrance, Perfuming) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Polyglyceryl-4 Caprate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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Methylpropanediol
(Solvent) |
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Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning) |
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Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
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Pelargonium Graveolens Oil
(Masking, Perfuming) |
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Polyglutamic Acid
(Skin Conditioning) |
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Hydrolyzed Rice Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Hydrolyzed Rice Bran Protein
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
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Malt Extract
(Skin Conditioning, Skin Protecting, Tonic) |
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Kummerowia Striata Extract
(Skin Conditioning) |
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Oryza Sativa Germ Extract
(Skin Conditioning Emollient) |
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Oryza sativa extract
(Abrasive, Absorbent, Bulking, Hair Conditioning, Skin Conditioning) |
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Oryza Sativa Bran Extract
(Skin Conditioning, Skin Protecting) |
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Cinchona Pubescens Bark Extract
(Skin Conditioning) |
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Avena sativa Kernel Extract
(Abrasive, Antioxidant, Skin Conditioning, Skin Conditioning Emollient) |
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Glycine Max Seed Extract
(Hair Conditioning, Skin Conditioning, Skin Protecting) |
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Vigna Angularis Seed Extract
(Skin Protecting) |
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Hordeum Vulgare Extract
(Emollient, Skin Conditioning) |
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Cannabis Sativa Seed Extract
(Emollient) |
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Leptospermum Scoparium Leaf Extract
(Skin Conditioning) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Isopentyldiol
(Solvent) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Sodium DNA
(Skin Conditioning) |
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Salvia Hispanica Seed Extract
(Emollient, Skin Conditioning) |
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ELAEIS GUINEENSIS OIL
(Skin Conditioning Emollient) |
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Potassium Hyaluronate
(Skin Conditioning) |
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber) |
Good for Oily Skin
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Polyglyceryl-4 Oleate
(Emulsifying) |
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Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant) |
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Sucrose Palmitate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Sodium Stearoyl Glutamate
(Hair Conditioning, Skin Conditioning, Surfactant Cleansingagent, Emulsifying) |
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Menadione
(Masking) |
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Linoleic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linoleic Acid., Antistatic Agent, Emollient) |
Fungal Acne Trigger
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Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous) |
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Sodium Surfactin
(Cleansing, Emulsifying, Gel Forming, Surfactant) |
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Linolenic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linolenic Acid., Antistatic Agent, Emollient, Perfuming) |
Fungal Acne Trigger
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Rice Amino Acids
(Hair Conditioning, Skin Conditioning) |
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Ceramide NP
(Hair Conditioning, Skin Conditioning) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Soluble Collagen
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Film Forming, Humectant) |
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Camellia Sinensis Leaf Water
(Masking, Perfuming, Tonic) |
Good for Oily Skin
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Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic) |
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Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant) |
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Sodium Acetylated Hyaluronate
(Humectant) |
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Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning) |
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Hydrolyzed Sodium Hyaluronate
(Skin Conditioning) |
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Citronellol
(Fragrance, Masking) |
Allergens
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Geraniol
(Fragrance, Masking, Tonic) |
Allergens
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No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
Contains ingredients some choose to avoid or double-check while pregnant or nursing.
Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.
This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.
The concentrations these actives are typically effective at in research — not a measurement of this product.
Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.
Retinyl Palmitate
L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.
ASCORBIC ACID
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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