Sunday Riley
Peacekeeper Acne Treatment SerumAn acne treatment built around BHA and Salicylic acid, for hydration and smoothing.
An acne treatment built around Vitamin E, for barrier repair and smoothing.
Brand price
USD 85.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 31.00 · checked 8 Oct 2026 · brand's site
At a Glance
They come out differently on Fragrance-free, Silicone-free, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Mineral sunscreen1
Uses zinc oxide or titanium dioxide to absorb and scatter UV rays.
Benefits
Hydrating9
Boosts hydration and relieves dry, tight skin.
Aloe Barbadensis Leaf Juice, Beta-Glucan, Butylene Glycol, Erythritol, Glycerin, Potassium Lactate, Propanediol, Sodium Hyaluronate Crosspolymer, Sodium PCA
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Neopentyl Glycol Diethylhexanoate, Octyldodecanol
Reduces Irritation2
Eases discomfort and supports skin resilience.
Hydrating8
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Algae Extract, Butylene Glycol, Camellia Sinensis Leaf Extract, Dimethicone, Glycerin, Sodium Hyaluronate, Sucrose
Barrier Repair16
Strengthens and restores the skin's natural barrier.
Algae Extract, Astrocaryum Murumuru Seed Butter, Camellia Sinensis Leaf Extract, Caprylyl Glycol, Cholesterol, Cucumis Sativus Fruit Extract, Cyclohexasiloxane, Cyclopentasiloxane, Dimethicone, Glycerin, Hordeum Vulgare Extract, Isohexadecane, Laminaria Saccharina Extract, Linoleic Acid, Myristyl Alcohol, Propylene Glycol Dicaprate
Reduces Irritation3
Eases discomfort and supports skin resilience.
Concerns
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Disteardimonium Hectorite, Octyldodecanol, Polysorbate 60, Sorbitan Isostearate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation1
May cause stinging, redness or sensitivity.
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Acetyl Glucosamine, Astrocaryum Murumuru Seed Butter, Ceteareth-20, Linoleic Acid, Myristyl Alcohol, Polysorbate 80
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Ingredients Side-by-side
Skin Conditioning
Neopentyl Glycol Diethylhexanoate
Emollient
Cleansing
2 / 3
- Fatty alcohols (Malassezia)
- May Trigger Acne
- May Worsen Irritation
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Emollient
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →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 →Caprylyl Glycol
Deodorant, Hair Conditioning, Skin Conditioning, Emollient
Caprylyl Glycol is the diol that conforms to the formula
Learn more about Caprylyl Glycol →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →