Medik8
Niacinamide PeptidesPaula's Choice
1% Retinol BoosterA serum built around Niacinamide and Zinc salt, for barrier repair and hydration.
A serum built around Retinoid and Ceramide, for barrier repair and hydration.
Brand price
GBP 49.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 55.00 · checked 8 Oct 2026 · brand's site

At a Glance

They come out differently on Silicone-free, Pore-clogger-free and Vegan; 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

Hydrating8
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Caprylic/Capric Triglyceride, Crambe Abyssinica Seed Oil, Dimethicone, Glycerin, Sodium Hyaluronate, Tocopherol, Zinc PCA
Barrier Repair10
Strengthens and restores the skin's natural barrier.
Behenyl Alcohol, Caprylic/Capric Triglyceride, Cetearyl Alcohol, Cetyl Palmitate, Crambe Abyssinica Seed Oil, Dimethicone, Glycerin, Glyceryl Stearate Citrate, Niacinamide, Tocopherol
Hydrating5
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Ceramide NP, Dipotassium Glycyrrhizate, Glycerin, Glyceryl Ascorbate
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Allantoin, Avena Sativa Kernel Extract, Caprylyl Glycol, Carthamus Tinctorius Seed Oil, Ceramide NP, Glycerin
Reduces Irritation3
Eases discomfort and supports skin resilience.
Allantoin, Avena Sativa Kernel Extract, Dipotassium Glycyrrhizate

Concerns

May Trigger Acne3
Can clog pores or trigger breakouts.
May Worsen Seborrheic Dermatitis13
May feed the yeast involved in seborrheic dermatitis.
Acetyl Glucosamine, Behenyl Alcohol, Cetearyl Alcohol, Cetyl Palmitate, Crambe Abyssinica Seed Oil, Glyceryl Stearate Citrate, Hydrogenated Lecithin, Palmitoyl Tetrapeptide-10, Polyglyceryl-3 Stearate, Polysorbate 60, Polysorbate 80, Sorbitan Isostearate, Sorbitan Stearate
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Carthamus Tinctorius Seed Oil, Ceramide NP, Ethylhexyl Olivate, Hydrogenated Lecithin, Palmitoyl Tripeptide-1, Polyglyceryl-10 Laurate, Polysorbate 20

Ingredients Side-by-side

Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Skin Conditioning
0 / 0
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Polyglyceryl-10 Caprylate/Caprate
Cleansing
Skin Conditioning
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Retinoid
- Acne Fighting
- Anti-Aging
- Dark Spots
- Firming
- Oil Control
- Pore Refining
- Smoothing
Glycyrrhiza Glabra
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- 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 →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →
Similar Comparisons
Each product against its closest dupes.
- View the comparison

Medik8
Niacinamide Peptides

Neutrogena
Collagen Bank Laser Perfecting Face Serum
- View the comparison

Paula's Choice
1% Retinol Booster

Paula's Choice
1% Retinol Treatment
- View the comparison

Medik8
Niacinamide Peptides

COSRX
The Alpha-Arbutin 2 Discoloration Care Serum
- View the comparison

Paula's Choice
1% Retinol Booster

Isntree
Hyper Retinol EX 1.0 Serum