The Inkey List
PDRN SerumA serum built around Vitamin E, for hydration and barrier repair.
A serum built around Colloidal oatmeal, for barrier repair and smoothing.
Brand price
USD 18.00 · checked 26 Sept 2026 · brand's site
Brand price
Not recorded · brand's site
At a Glance
They come out differently on Silicone-free, Pore-clogger-free and Cruelty-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Colloidal oatmeal3
Finely milled oat — an FDA-recognised skin protectant.
Avena Sativa Kernel Extract, Avena Sativa Kernel Flour, Avena Sativa Kernel Oil
Benefits
Hydrating7
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Butyrospermum Parkii Butter, Glycerin, Helianthus Annuus Seed Oil, Propanediol, Sodium Lactate, Tocopherol
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Butyrospermum Parkii Butter, Cetearyl Alcohol, Glycerin, Helianthus Annuus Seed Oil, Propylheptyl Caprylate, Tocopherol, Tribehenin PEG-20 Esters
Smoothing6
Refines rough or uneven texture.
Cetearyl Alcohol, Citric Acid, Helianthus Annuus Seed Oil, Propylheptyl Caprylate, Sodium Lactate, Tribehenin PEG-20 Esters
Hydrating5
Boosts hydration and relieves dry, tight skin.
Bis-Peg-18 Methyl Ether Dimethyl Silane, Butylene Glycol, Dimethicone, Dimethiconol, Glycerin
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Avena Sativa Kernel Extract, Avena Sativa Kernel Flour, Avena Sativa Kernel Oil, Bis-Peg-18 Methyl Ether Dimethyl Silane, Dimethicone, Dimethiconol, Glycerin, Isodecyl Neopentanoate, Pentaerythrityl Tetraethylhexanoate
Reduces Irritation3
Eases discomfort and supports skin resilience.
Avena Sativa Kernel Extract, Avena Sativa Kernel Flour, Avena Sativa Kernel Oil
Smoothing6
Refines rough or uneven texture.
Avena Sativa Kernel Extract, Bis-Peg-18 Methyl Ether Dimethyl Silane, Dimethicone, Dimethiconol, Isodecyl Neopentanoate, Pentaerythrityl Tetraethylhexanoate
Concerns
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Butyrospermum Parkii Butter, C8-12 Acid Triglyceride, Cetearyl Alcohol, Helianthus Annuus Seed Oil, Sodium Stearoyl Glutamate, Tribehenin PEG-20 Esters
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Oily Skin2
May increase shine or excess oil.
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Avena Sativa Kernel Oil
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
Emollient
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- Hydrating
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Water (in both products)
Skin Conditioning
Emollient
Pentaerythrityl Tetraethylhexanoate
Emollient
Ethylhexylglycerin (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 →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 →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 →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →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 →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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