SkinCeuticals
A.G.E. Interrupter Ultra SerumA serum built around Panthenol, for hydration and barrier repair.
A serum built around Niacinamide, for barrier repair and smoothing.
Brand price
USD 185.00 · checked 28 Sept 2026 · brand's site
Brand price
USD 54.99 · checked 25 Sept 2026 · brand's site

At a Glance

They come out differently on Alcohol-free, Pore-clogger-free and Oil-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.

Benefits

Hydrating10
Boosts hydration and relieves dry, tight skin.
Dimethicone, Ectoin, Glycerin, Hydrolyzed Soy Protein, Panthenol, Peg/Ppg/Polybutylene Glycol-8/5/3 Glycerin, Propanediol, Propylene Glycol, Rhamnose, Sorbitol
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Cetearyl Isononanoate, Diisopropyl Sebacate, Dimethicone, Glycerin, Isohexadecane, Panthenol, Propylene Glycol
Hydrating5
Boosts hydration and relieves dry, tight skin.
Dimethicone, Dipotassium Glycyrrhizate, Glycerin, Propylene Glycol, Tocopherol
Barrier Repair11
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Cetearyl Alcohol, Dimethicone, Glycerin, Glycine Soja Oil, Neopentyl Glycol Dicaprate, Niacinamide, Octyldodecanol, Propylene Glycol, Sucrose Tristearate, Tocopherol

Concerns

May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cetearyl Isononanoate, Hydrogenated Lecithin
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cetearyl Alcohol, Glycine Soja Oil, Hydrogenated Lecithin, Octyldodecanol, Sodium Stearoyl Glutamate, Sucrose Tristearate
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

Hydroxypropyl Tetrahydropyrantriol (in both products)
Skin Conditioning
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
Emollient
Film Forming
Emollient
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Hydroxypropyl Tetrahydropyrantriol (in both products)
Skin Conditioning
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
2 / 1
- Fatty alcohol
- Fatty alcohols (Malassezia)
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
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.
Aqua
Solvent
Propylene Glycol
Fragrance, Humectant, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Propylene Glycol is the aliphatic alcohol that conforms generally to the formula
Learn more about Propylene Glycol →Hydroxypropyl Tetrahydropyrantriol
Skin Conditioning
L-Gluco-Octitol, 1,5-Anhydro-6,8-dideoxy-, (7xi)-
Learn more about Hydroxypropyl Tetrahydropyrantriol →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 →Dimethicone
Antifoaming, Skin Conditioning, Emollient, Skin Protecting
Dimethicone is a silicone.
Learn more about Dimethicone →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion Stabilising, Film Forming, Viscosity Controlling
Acrylates/C10-30 Alkyl Acrylate Crosspolymer isn't fungal acne safe.
Learn more about Acrylates/C10-30 Alkyl Acrylate Crosspolymer →Caprylyl Glycol
Deodorant, Hair Conditioning, Skin Conditioning, Emollient
Caprylyl Glycol is the diol that conforms to the formula
Learn more about Caprylyl Glycol →
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