Mineral Antioxidant Serum

Proven Patented Technology

The patented combination of stable, scientifically proven antioxidants in Firewall helps neutralise a wide range of free radicals which can cause premature skin ageing. The award winning formula is a result of Medik8's own original research, and leaves the skin feeling hydrated, looking visibly younger with a sumptuous silky feel.

Skin type:



  • Broad spectrum antioxidant serum
  • Protects collagen and elastin from free-radical damage
  • Mimics the body's natural antioxidants
  • Helps to prevent premature skin ageing
  • Minimise appearance of lines and wrinkles
  • Instant feeling of fresh smooth skin

What is Firewall

Firewall comprises a patent-pending complex named "Cusodase-P" of key antioxidants split into two compartments, including:

  • Copper PCA (patented)
  • Dimethylmethoxy Chromanol
  • Vitamin E
  • Superoxide Dismutase
  • Anti-ageing peptide complex

Why is Firewall different to many regular antioxidants?

  • Broad Spectrum - ability to neutralise multiple types of free radicals
  • Strength - independent tests show very high antioxidant activity

Freshness and potency

Firewall is separated into two parts to maximise stability and potency. The twin-chamber pack is an airless system. The lid contains an oxygen-absorbing patch.

Proven Results

Five times Stronger than the next best brand

Firewall has been tested for relative antioxidant capacity in various free radical tests and it performed extraordinarily well, proving to be five times stronger than other available leading brands in the peroxynitrite test and the strongest in the hydroxyl radical test.

Here are the results of 3rd party independant tests performed against unnamed alternative antioxidant products.

Apply after cleansing each morning and evening. Mix a single dose from each pump on the back of your hand. Apply a small amount to face, neck and décolletage, avoiding upper and lower eyelids and lips. Use light, upward strokes and allow to absorb before applying your regular Medik8 hydrator.

Note to existing Firewall users: as part of the 3 year upgrade plan for Firewall, we improved the formula to ensure it stays at the front of the 'all-in-one' antioxidant serum pack! In the latest update to Firewall, there is no longer a colour change when mixing the two sides together. Please be assured the formula is as strong as ever and you will continue to get the same great results. Firewall is also now patent-protected.

Firewall contains an international patent-pending complex of antioxidants split into two separate chambers. These include:

Copper PCA

A unique copper-based antioxidant (patented)

Dimethylmethoxy Chromanol

Has unique antioxidant properties discovered by Medik8 (patent pending)

Vitamin E

I mportant antioxidant recycler

Superoxide Dismutase

Natural enzyme antioxidant

Anti-ageing peptide complex

for anti ageing benefits. Stimulates production of elastin and collagen