Medik8 Niacinamide Peptides
Chosen to sit alongside a microneedling routine rather than replace it.
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10% Niacinamide Serum with Peptides & NAG
Niacinamide Peptides is a multi-active, emulsion-based serum that targets the look of enlarged pores and blemishes while helping to support and soothe the skin barrier. Its lightweight, non-greasy texture leaves an instant glass-like glow, with visibly clearer skin and smoother-looking texture in just 7 days.[3]
Key Benefits
- Fewer Visible Blemishes – Visibly reduces blemishes while helping to balance excess oil.
- Refined Pores & Texture – Targets the look of enlarged pores and uneven texture, with visible results in 7 days.[3]
- Calmer-Looking Skin – Helps reduce the look of redness.
- Glass-Like Glow – Leaves an instant, non-greasy radiance.
- Stronger Skin Barrier – Clinically proven to improve skin barrier health by 34%.[1]
Proven Results
- 35% reduction in visible blemishes[1]
- 26% reduction in visible pore size in 4 weeks[1]
- 34% improvement in skin barrier health[1]
- 100% showed a healthier skin barrier within 7 days[1]
- 94% agreed it is gentle on the skin[2]
- 100% agreed it layers well in their routine[2]
[1] Independent clinical study over 4 weeks on 30 participants. [2] Independent consumer study over 4 weeks on 56 participants. [3] Independent clinical and consumer studies over 4 weeks on 83 participants.
How to Use
First-time use: Patch test at least 24 hours before first use.
How to use: After cleansing, morning and/or evening, apply evenly across the face, neck & décolletage. In your routine, use it after cleansing and toning, and before vitamin A and moisturiser.
Key Ingredients
- 10% Niacinamide – Vitamin B3 that helps calm the look of blemish-related redness and supports the skin barrier.
- 3% Crystalide™ Peptide – Supports skin renewal for a more even, luminous-looking surface.
- N-Acetyl Glucosamine (NAG) – Gently exfoliates and boosts the effect of niacinamide.
- 1% Zinc PCA – A mineral that helps control excess oil.
- Hyaluronic Acid – Draws moisture into the upper layers of the skin.
Good to Know
- 30 ml, around 80 uses per bottle
- Suitable for blemish-prone skin
- Free from fragrance, alcohol, parabens and synthetic colours
- Non-comedogenic, dermatologically tested and certified by The Vegan Society
Full Ingredients
Aqua (Water), Niacinamide, Caprylic/Capric Triglyceride, Acetyl Glucosamine, Glyceryl Stearate Citrate, Glycerin, Dimethicone, Zinc PCA, Palmitoyl Tetrapeptide-10, Sodium Hyaluronate, Phenoxyethanol, Polyglyceryl-3 Stearate, Hydroxyacetophenone, Crambe Abyssinica Seed Oil, Hydrogenated Lecithin, Behenyl Alcohol, Cetearyl Alcohol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Disodium EDTA, Xanthan Gum, Cetyl Palmitate, Ethylhexylglycerin, Carnosine, Sorbitan Stearate, Polysorbate 80, Polysorbate 60, Sorbitan Isostearate, Sodium Benzoate, Citric Acid, Tocopherol
Measured, not promised.
Every figure here is on the device, in the box, or in our policy. Nothing is a marketing round-up.
The questions we actually get
Dr. Pen — as featured in
InStyle, Women’s Health, Cosmopolitan, Vogue.Before you buy
Using this with microneedling
Microneedling opens channels for a few hours. What you apply afterwards, and when, changes the result.













