Medik8 Niacinamide Peptides vs The Inkey List 10% Azelaic Acid Serum for Redness Relief

Medik8

The Inkey List

A serum built around Niacinamide and Zinc salt, for barrier repair and hydration.

A serum built around Azelaic acid, for pollution defence and hydration.

Serum

30 ingredients

17 ingredients

Brand price

GBP 49.00 · checked 8 Oct 2026 · brand's site

Brand price

USD 20.00 · checked 26 Sept 2026 · brand's site

No retailer listed yet

At a Glance

They come out differently on Silicone-free, Pore-clogger-free and Oil-free; those rows are shaded. Tap any answer to see why.

Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Cetearyl Alcohol
Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
Zinc salt (sebum/soothing)1
Zinc salts, used for sebum control and soothing.
Zinc PCA
Polysorbates (Tween emulsifiers)2
Polysorbate (Tween) emulsifiers.
Polysorbate 60, Polysorbate 80

Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 60
Azelaic acid1
Works on acne, redness and pigmentation at once.
Azelaic Acid

Hydrating2
Boosts hydration and relieves dry, tight skin.
Glycerin, Propanediol
Barrier Repair2
Strengthens and restores the skin's natural barrier.
Allantoin, Glycerin
Reduces Irritation1
Eases discomfort and supports skin resilience.
Allantoin
Redness Reducing2
Soothes visible redness and calms irritation.
Allantoin, Azelaic Acid

May Trigger Acne1
Can clog pores or trigger breakouts.
Sorbitan Isostearate
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Polysorbate 60, Sorbitan Isostearate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Sorbitan Isostearate

Show highlights for:

Aqua (in both products)
Solvent
0 / —
Niacinamide
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Caprylic/Capric Triglyceride
Occlusive
1 / 1
Acetyl Glucosamine
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Glyceryl Stearate Citrate
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Dimethicone
Emollient
1 / 0
- Silicones
- Barrier Repair
- Hydrating
- Smoothing
Zinc PCA
Humectant
- Zinc salt (sebum/soothing)
- Acne Fighting
- Oil Control
- Reduces Irritation
Palmitoyl Tetrapeptide-10
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Sodium Hyaluronate
Humectant
0 / 0
- Hyaluronic acid
- Hydrating

Aqua (in both products)
Solvent
0 / —
Azelaic Acid
Buffering
- Azelaic acid
- Acne Fighting
- Dark Spots
- Even Tone
- Redness Reducing
Propanediol
Viscosity Controlling
0-1 / —
- Hydrating
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer (in both products)
Emulsion Stabilising
Phenoxyethanol (in both products)
Preservative
0 / —
Acacia Senegal Gum
Fragrance
Xanthan Gum (in both products)
Cleansing
0-1 / —
Allantoin
Skin Conditioning
0 / 0
- Reduces Irritation
- Smoothing
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Ethylhexylglycerin (in both products)
Skin Conditioning

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Aqua
Solvent
Water
Learn more about Aqua →
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 →
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion Stabilising, Viscosity Controlling
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer is a copolymer of sodium hydroxyethyl acrylate and acryloyldimethyl taurate monomers
Learn more about Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer →
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 →
Polysorbate 60
Cleansing, Emulsifying
Polysorbate 60 isn't fungal acne safe.
Learn more about Polysorbate 60 →
Sorbitan Isostearate
Emulsifying
Sorbitan Isostearate isn't fungal acne safe.
Learn more about Sorbitan Isostearate →