Medik8
Niacinamide PeptidesPaula's Choice
10% Niacinamide BoosterA serum built around Niacinamide and Zinc salt, for barrier repair and hydration.
A serum built around Niacinamide and Vitamin C derivative, for hydration and barrier repair.
Brand price
GBP 49.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 53.00 · checked 8 Oct 2026 · brand's site
At a Glance
They come out differently on Silicone-free, Pore-clogger-free, Oil-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
Hydrating7
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Beta-Glucan, Butylene Glycol, Dipotassium Glycyrrhizate, Glycerin, Panthenol, Sodium Hyaluronate
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Allantoin, Boerhavia Diffusa Root Extract, Caprylyl Glycol, Glycerin, Glycyrrhiza Glabra Root Extract, Niacinamide, Panthenol
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Beta-Glucan, Dipotassium Glycyrrhizate, Glycyrrhiza Glabra Root Extract, Panthenol
Redness Reducing3
Soothes visible redness and calms irritation.
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 Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Acetyl Glucosamine (in both products)
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
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Acetyl Glucosamine (in both products)
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Boerhavia Diffusa Root Extract
Skin Protecting
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Acetyl Glucosamine
Skin Conditioning
Acetyl Glucosamine isn't fungal acne safe.
Learn more about Acetyl Glucosamine →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 →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Carnosine
Skin Conditioning
L-histidine, N-beta-alanyl
Learn more about Carnosine →Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →
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