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Description
xMedik8 Niacinamide Peptides
A next-generation barrier-building serum powered by 10% niacinamide, peptides, and N-acetyl glucosamine. Clinically proven to refine pores, smooth wrinkles, and restore a glass-like radiance — with visible results in just 7 days.
10% Niacinamide
Peptide-Enhanced
Fragrance-Free
All Skin Types
Medik8 Niacinamide Peptides is a lightweight, milky serum that brings together two of skincare's most trusted ingredients — 10% niacinamide and peptides — in one intelligent formula. Designed for stressed, unbalanced, or blemish-prone complexions, it works to calm redness, regulate oil production, and visibly refine pore size while supporting long-term skin structure.
Enhanced with N-acetyl glucosamine (NAG) for gentle brightening, Zinc PCA to balance sebum, and sodium hyaluronate for deep hydration, this serum leaves skin looking clearer, smoother, and unmistakably luminous.
- Visibly refines pores and improves skin texture
- Smooths the appearance of fine lines and wrinkles
- Calms redness and supports a healthy skin barrier
- Regulates sebum production for a balanced complexion
- Brightens and evens skin tone over time
- Deeply hydrates with multi-weight hyaluronic acid
- Lightweight, milky texture — absorbs effortlessly
- Free from alcohol, artificial fragrance, and essential oils
After cleansing and toning, apply a small amount of Niacinamide Peptides evenly across the face, neck, and décolletage. Gently massage until absorbed.
Use morning and evening for best results. Allow the serum to absorb fully before applying your next skincare step. Avoid direct contact with eyes.
Tip: If you are new to niacinamide, start with once-daily use and build up to twice daily as your skin adjusts.
Morning Routine
- Cleanse
- Tone
- Niacinamide Peptides
- Vitamin C Serum
- Moisturiser
- Broad-Spectrum SPF
Evening Routine
- Double Cleanse
- Tone
- Niacinamide Peptides
- Vitamin A / Retinal
- Moisturiser
Can I use Niacinamide Peptides with Vitamin C or Retinol?
Yes — this serum is formulated to layer seamlessly with both. In the morning, apply it before your vitamin C. In the evening, use it before your retinol or retinal step (such as Medik8 Crystal Retinal). Niacinamide and retinol are a powerful pairing for age-defying results.
10% Niacinamide (Vitamin B3)
A multi-functional superstar that calms inflammation, strengthens the skin barrier, regulates sebum, and visibly reduces the appearance of pores and uneven tone.
Palmitoyl Tetrapeptide-10
A signal peptide that enhances skin cell renewal for a more uniform, luminous skin surface and improved texture over time.
N-Acetyl Glucosamine (NAG)
A skin-identical amino sugar that gently exfoliates and works synergistically with niacinamide to fade dark spots and even skin tone.
Zinc PCA
A sebum-regulating compound that helps normalise oil production and limit blemish-causing bacteria — ideal for oily and acne-prone skin.
Carnosine
A biomimetic dipeptide with antioxidant and anti-glycation properties. Helps protect skin from infrared damage and premature ageing.
Sodium Hyaluronate
The salt form of hyaluronic acid that binds up to 1,000 times its weight in water, delivering deep, lasting hydration and a plumper complexion.
Tocopherol (Vitamin E)
A potent fat-soluble antioxidant that protects against UVB damage and works synergistically with vitamin C for enhanced photoprotection.
Crambe Abyssinica Seed Oil
A silky, non-greasy plant oil rich in erucic acid that cushions the skin and provides elegant, lightweight moisture without clogging pores.
Aqua (Water), Niacinamide, Caprylic/Capric Triglyceride, Acetyl Glucosamine, Glyceryl Stearate Citrate, Dimethicone, Zinc PCA, Glycerin, 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, Sodium Hyaluronate, Polysorbate 60, Sorbitan Isostearate, Sodium Benzoate, Citric Acid, Tocopherol, Palmitoyl Tetrapeptide-10.
What results can I expect?
With consistent twice-daily use, you can expect visibly refined pores, smoother skin texture, reduced redness, and a more even, luminous complexion. Many users notice a visible improvement in skin clarity and hydration within 7 days.
Is this suitable for sensitive skin?
Yes. The formula is fragrance-free, alcohol-free, and contains no essential oils. Niacinamide and peptides are both extremely gentle actives, making this serum suitable for sensitive and reactive skin types.
Can I use Niacinamide Peptides with retinol / vitamin A?
Absolutely. Niacinamide and retinol complement each other beautifully. Apply Niacinamide Peptides first, allow it to absorb, then follow with your retinol or retinal serum (such as Medik8 Crystal Retinal) and moisturiser.
Can I use this with vitamin C?
Yes. In your morning routine, apply Niacinamide Peptides after cleansing and toning, followed by your vitamin C serum, moisturiser, and SPF. Niacinamide and vitamin C work synergistically to brighten and protect the skin.
Will this help with oily or acne-prone skin?
Yes. The 10% niacinamide and Zinc PCA work together to regulate sebum production, minimise the appearance of pores, and help keep blemish-causing bacteria in check — without drying out the skin.
Is this pregnancy-safe?
Niacinamide and peptides are generally considered safe during pregnancy and breastfeeding. However, we always recommend consulting your healthcare provider before introducing any new skincare product during this time.
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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