Medik8 Super C Ferulic serum bottle shown open with its glass pipette resting against the rim, displayed on a clean white background with translucent serum droplets. The amber glass bottle features the Medik8 logo and is labeled "SUPER C FERULIC Potent Vitamin C Brightening Serum" in a 30mL size.
Close-up of a person's face being treated with a glass pipette, set against a light grey background. Text states the product is "CLINICALLY PROVEN ACTION ON 4 SIGNS OF SUN AGEING*" followed by four check-marked claims: Visibly reduces dark spots & age spots*, Improves the look of fine lines & wrinkles in just 4 weeks*, Increases skin firmness & elasticity in 4 weeks*, and Visibly evens the skin tone*. A footer note specifies these results are proven via an independent clinical study.
A side-by-side "Before" and "After 28 Days" comparison of a person's cheek and eye area. A white dashed circle highlights a reduction in the appearance of dark spots and uneven pigmentation in the "After" image. A bold orange banner at the bottom features the statement: "93% agreed this worked faster than any vitamin C product they'd tried*". The Super C Ferulic serum bottle is shown in the bottom right corner against a splashing amber liquid background.
Medik8 layering guide titled "HOW TO LAYER" set against a vibrant orange background.. An AM sun icon indicates a four-step morning routine: CLEANSE: Medik8 Surface Radiance Cleanse tube. TONE: Medik8 Press & Glow bottle. VITAMIN C: Medik8 Super C Ferulic serum bottle. SUNSCREEN: Medik8 Advanced Day Ultimate Protect tube. A dashed box at the bottom provides "EXPERT ADVICE" to include vitamin A in your evening routine to maintain maximum age-defying results.
"MEET YOUR VITAMIN C" chart on an orange gradient background with hexagonal graphics. Four Medik8 serums are shown. From left: C-Tetra dropper bottle (7% Vitamin C, for sensitive skins or beginners), C-Tetra Luxe dropper bottle (14% Vitamin C, for dry skin), C-Tetra Advanced pump bottle (20% Vitamin C, for normal, combination, and oily skin), and Super C Ferulic dropper bottle (30% Ethylated L-Ascorbic Acid, for experienced users).
A graphic titled THE CSA PHILOSOPHY outlines the three-step anti-aging skincare approach. It illustrates BRIGHTENS with Vitamin C serum (AM), PROTECTS with Sunscreen (AM), and RENEWS with Vitamin A product (PM)
Infographic titled "FIND YOUR VITAMIN C" comparing five Medik8 products on a light background. It lists: C-Tetra Cream jar (3% Vitamin C), C-Tetra serum bottle (7%), Daily Radiance Vitamin C jar (7% + SPF 30), C-Tetra Luxe serum bottle (14%), and Super C Ferulic serum bottle (30% Ethylated L-Ascorbic Acid). Each row includes product benefits ranging from beginner brightening to powerful protection.
Medik8 Super C Ferulic serum bottle and its white cardboard carton displayed on a clean white background with soft shadows. The amber glass bottle with a black dropper cap and the matching white box both feature the Medik8 logo and identify the product as "SUPER C FERULIC Potent Vitamin C Brightening Serum" in a 30mL size.
Medik8 Super C Ferulic serum bottle shown open with its glass pipette resting against the rim, displayed on a clean white background with translucent serum droplets. The amber glass bottle features the Medik8 logo and is labeled "SUPER C FERULIC Potent Vitamin C Brightening Serum" in a 30mL size.
Close-up of a person's face being treated with a glass pipette, set against a light grey background. Text states the product is "CLINICALLY PROVEN ACTION ON 4 SIGNS OF SUN AGEING*" followed by four check-marked claims: Visibly reduces dark spots & age spots*, Improves the look of fine lines & wrinkles in just 4 weeks*, Increases skin firmness & elasticity in 4 weeks*, and Visibly evens the skin tone*. A footer note specifies these results are proven via an independent clinical study.
A side-by-side "Before" and "After 28 Days" comparison of a person's cheek and eye area. A white dashed circle highlights a reduction in the appearance of dark spots and uneven pigmentation in the "After" image. A bold orange banner at the bottom features the statement: "93% agreed this worked faster than any vitamin C product they'd tried*". The Super C Ferulic serum bottle is shown in the bottom right corner against a splashing amber liquid background.
Medik8 layering guide titled "HOW TO LAYER" set against a vibrant orange background.. An AM sun icon indicates a four-step morning routine: CLEANSE: Medik8 Surface Radiance Cleanse tube. TONE: Medik8 Press & Glow bottle. VITAMIN C: Medik8 Super C Ferulic serum bottle. SUNSCREEN: Medik8 Advanced Day Ultimate Protect tube. A dashed box at the bottom provides "EXPERT ADVICE" to include vitamin A in your evening routine to maintain maximum age-defying results.
"MEET YOUR VITAMIN C" chart on an orange gradient background with hexagonal graphics. Four Medik8 serums are shown. From left: C-Tetra dropper bottle (7% Vitamin C, for sensitive skins or beginners), C-Tetra Luxe dropper bottle (14% Vitamin C, for dry skin), C-Tetra Advanced pump bottle (20% Vitamin C, for normal, combination, and oily skin), and Super C Ferulic dropper bottle (30% Ethylated L-Ascorbic Acid, for experienced users).
A graphic titled THE CSA PHILOSOPHY outlines the three-step anti-aging skincare approach. It illustrates BRIGHTENS with Vitamin C serum (AM), PROTECTS with Sunscreen (AM), and RENEWS with Vitamin A product (PM)
Infographic titled "FIND YOUR VITAMIN C" comparing five Medik8 products on a light background. It lists: C-Tetra Cream jar (3% Vitamin C), C-Tetra serum bottle (7%), Daily Radiance Vitamin C jar (7% + SPF 30), C-Tetra Luxe serum bottle (14%), and Super C Ferulic serum bottle (30% Ethylated L-Ascorbic Acid). Each row includes product benefits ranging from beginner brightening to powerful protection.
Medik8 Super C Ferulic serum bottle and its white cardboard carton displayed on a clean white background with soft shadows. The amber glass bottle with a black dropper cap and the matching white box both feature the Medik8 logo and identify the product as "SUPER C FERULIC Potent Vitamin C Brightening Serum" in a 30mL size.
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Deep set lines & wrinkles

Super C Ferulic™

  • Brighten
  • |
  • Firm
  • |
  • Correct
Potent 30% Vitamin C Brightening Serum

Tackle 4 signs of advanced sun ageing* with Medik8's most powerful vitamin C serum - clinically proven to visibly reduce wrinkles, dark spots and uneven tone while improving skin firmness.

Super C Ferulic is designed to work on all skin tones. Formulated with 30% stabilised vitamin C (ethylated L-ascorbic acid), it works quickly to deliver potent visible skin-brightening, wrinkle-reducing and antioxidant benefits for a more youthful-looking complexion overall.

Its potent power makes Super C Ferulic the ultimate choice for mature skin types showing advanced signs of sun ageing while its non-greasy, fast-absorbing texture makes it an easy addition to any morning routine.

NOTE: Super C Ferulic is highly potent and therefore not recommended for sensitive skin types. We advise performing a patch test before first use. A slight tingle upon application is normal.
Full Size (30ml)
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Reasons to shop Medik8

Free UK delivery over £25
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Total Moisture Daily Cleansing Gel
Total Moisture Daily Cleansing Gel
  • Hydrate
  • |
  • Plump
  • |
  • Support
 Barrier-Boosting Gel-to-Foam with Moisture MagnetsTM & Prebiotics
Full size (145ml)
View our verified proof
Sustainability

Provenance provides confidence for sustainability claims; helping to prevent 'green-washing' and empowering conscious consumers to purchase in line with their values. Provenance 'Proof Points' are all third party verified and evidenced through supply chains.

Product proof points

The Vegan Trademark

Certified to contain no animal products or byproducts and has not been tested on animals.

Partly Recyclable Packaging

Recyclable Parts: Bottle (glass) and Container (cardboard) Non-Recyclable Parts: Pipette

Brand proof points

B Corporation

Medik8 is a certified B Corporation, scoring over 80 out of 200 across Governance, Workers, Community, Environment and Customers. The certification includes a legal commitment to consider all stakeholders in decision-making. Verified every three years.

SBTi Approved Targets

Medik8 has SBTi approved science-based targets to reduce greenhouse gas emissions in line with limiting global warming to 1.5°C or well-below 2°C. Progress is reported publicly every year, with targets validated by the certifier and reviewed every 5 years.

Living Wage Employer

Medik8 is a Living Wage Employer — all staff are paid a wage calculated to meet the cost of living in the UK. Company wages are updated annually after new rates are announced by the Living Wage Foundation.

Donates to Charity

In 2022 Medik8 donated £10,000 to the National Society for the Prevention of Cruelty to Children

Carbon Measured

The footprint was calculated using GHG Protocol methodology; GWP 100.

Renewable Energy

Medik8's Innovation Centre uses electricity from 100% renewable sources.

Made in Britain

Medik8 carries the Made in Britain trademark — manufactured in the United Kingdom. Subject to facility verification and annual renewal.

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Key Benefits
Powerful Action on Wrinkles

Formulated with a highly potent yet stable form of antioxidant vitamin C, Super C Ferulic delivers clinically proven action on the appearance of fine lines and wrinkles.

Firmer, Healthier-Looking Skin

Clinically proven to improve the look and feel of skin firmness and elasticity.

Proven Dark Spot Reduction

The skin-brightening powers of vitamin C are boosted by fellow antioxidant turmeric root extract for proven visible reduction in age spots, dark spots and uneven tone.

Effective Until The Last Drop

Although a high-strength vitamin C, ethylated L-ascorbic acid is exceptionally stable (meaning it retains its power). This means you can enjoy effective visible results until the very last drop.

Proven Results
Before
After 28 days
Before
After 28 days
7 days to a brighter more even complexion**
4 weeks to clinically proven wrinkle reduction*
93% agreed this worked faster than any vitamin C product they'd tried*
4 weeks to clinically proven increase in skin firmness and elasticity*
4 weeks to significantly healthier-looking skin*
*Proven via independent clinical study conducted over 12 weeks on 32 participants of all skin types and tones. **Proven via an Independent consumer study conducted over 7 days on 41 participants. | Please Note: Product packaging shown may be different to the product received due to regional variations.
How to Use

First-time use

If you're new to Super C Ferulic we recommend a patch test at least 24 hours before first use. Learn how to patch test here. 


Step 1

After cleansing in the morning, massage 4 drops across the face, neck and décolletage. A tingle upon application is normal.


Step 2

Leave to absorb before applying sunscreen. We recommend Advanced Day Ultimate Protect.

Uses per bottle

180
Guide to Layering
Step 1: Cleanse
Medik8 Surface Radiance Cleanse tube displayed on a clean white background with a large, translucent gel texture smear. Text identifies it as a Resurfacing AHA/BHA Mangosteen Cleansing Gel in a 150mL size.
Morning
Evening
Surface Radiance Cleanse™
Select a Size
Step 2: Tone
Medik8 Press & Glow tonic bottle stands against a clean white background with translucent liquid droplets and a puddle, highlighting its watery texture. Text identifies the product as a 200mL
Morning
Evening
Press & Glow®
Select a Size
Step 3: Brighten
Medik8 Super C Ferulic serum bottle shown open with its glass pipette resting against the rim, displayed on a clean white background with translucent serum droplets. The amber glass bottle features the Medik8 logo and is labeled
Morning
Super C Ferulic™
Full Size (30ml)
Step 4: Sunscreen
Advanced Day Ultimate Protect™
Morning
Advanced Day Ultimate Protect™
Full Size (50ml)
Key Ingredients
30% Ethylated L-Ascorbic Acid (Vitamin C)

A stabilised vitamin C derivative that delivers powerful visible brightening, wrinkle-reducing and antioxidant benefits coupled with long-lasting efficacy. It works quickly to target the look of wrinkles, age spots, and discolouration for a more youthful-looking complexion overall. At 30%, it's perfect for those wanting profound age-defying results - fast.

Ferulic Acid

A supercharged antioxidant which boosts the power of vitamin C and E for maximum age-defying benefits.

Vitamin E

A lipid-soluble antioxidant that is naturally present in the skin, vitamin E works in synergy with ferulic acid to deeply nourish and protect the skin against the damaging and ageing effects of environmental aggressors.

Turmeric Root Extract

A natural antioxidant which works to block the creation of pigment in the skin, reducing visible age spots and discolouration.

Vitamin E

A lipid-soluble antioxidant that is naturally present in the skin, vitamin E works in synergy with ferulic acid to deeply nourish and protect the skin against the damaging and ageing effects of environmental aggressors.

Turmeric Root Extract

A natural antioxidant which works to block the creation of pigment in the skin, reducing visible age spots and discolouration.

Full List of Ingredients
Super C Ferulic™
Potent 30% Vitamin C Brightening Serum

Methoxymethylbutanol, 3-O-Ethyl Ascorbic Acid, Propylene Glycol, Butylene Glycol, Pentylene Glycol, Ferulic Acid, Tetrahydrodiferuloylmethane, Aqua (Water), Tocopheryl Acetate.

*Although we try our best to ensure this list of ingredients is accurate there may be product upgrades from time to time, or slight variants between different regions based on local laws, meaning the only definitive ingredient list is that which is printed on the product packaging.
  • Clinically proven formula
  • Fragrance free
  • No synthetic colours
  • Paraben free
  • Alcohol free
  • Certified by the vegan society
Experts Recommended

"The ultimate choice for rapid action on advanced signs of ageing."

DANIEL ISAACS
Chief Product Officer
A circular headshot portrait of a man with light brown hair and green eyes, smiling neutrally. He is wearing a white lab coat with 'Medik8' embroidered on the pocket and a black button-up shirt. The background is white.

"It's honestly like a brightening facial in a bottle!"

MARINA TATAS
Shopping Writer

The Vitamin C Serum Range

A bottle of Medik8 C-Tetra Lipid Vitamin C Radiance Serum open with its dropper resting diagonally across the top. Set against a clean white background, the bottle is surrounded by three clear puddles of serum, showcasing its liquid texture.
Morning
C-Tetra®
Full Size (30ml) | £45
Strength

7% Stabilised Vitamin C

Texture

Lightweight oil

Skin Types

New to Vitamin C, Sensitive skin

Benefits
  • Brightens
  • Ultra gentle
Key Ingredients
  • 7% Tetrahexyldecyl Ascorbate
  • Vitamin E
Medik8 C-Tetra Luxe serum bottle shown open with its glass pipette resting against the rim, displayed on a white background with clear, translucent serum droplets. The image includes a "GET THE GLOSS BEAUTY AWARDS GOLD 2024" seal in the top left and a "DERMATOLOGIST RECOMMENDED" emblem with a magnifying glass icon in the top right.
Morning
C-Tetra® Luxe
Full Size (30ml) | £62
Strength

14% Stabilised Vitamin C

Texture

Rich oil

Skin Types

All skin types, First signs of ageing

Benefits
  • Brightens
  • Nourishes
  • Softens Look Of Wrinkles
Key Ingredients
  • 14% Tetrahexyldecyl Ascorbate
  • Squalane
  • Maracuja Oil
Medik8 C-Tetra Advanced bottle displayed on a clean white background with translucent serum droplets, highlighting its lightweight gel-serum texture.
Morning
C-Tetra® Advanced
Full Size (30ml) | £72
Strength

20% Stabilised Vitamin C

Texture

Lightweight Gel-Serum

Skin Types

All skin types, Visible signs of ageing

Benefits
  • Brightens
  • Defends Against Premature Skin Ageing
  • Smooths Skin Texture
  • Visibly  Improves Wrinkles
  • Advanced Pollution Protection
  • 0% Barrier Disruption
Key Ingredients
  • Phyto Exosomes 
  • 20% Tetrahexyldecyl Ascorbate
  • Acetyl Zingerone
Medik8 Super C Ferulic serum bottle shown open with its glass pipette resting against the rim, displayed on a clean white background with translucent serum droplets. The amber glass bottle features the Medik8 logo and is labeled "SUPER C FERULIC Potent Vitamin C Brightening Serum" in a 30mL size.
Morning
Super C Ferulic™
Full Size (30ml) | £69
Strength

30% Stabilised Vitamin C

Texture

Rich, oil like serum

Skin Types

Advanced signs of sun induced ageing

Benefits
  • Brightens
  • Intense Dark Spot Reduction
  • Visibly Reduces Wrinkles
Key Ingredients
  • 30% Ethylated L-Ascorbic Acid
  • Ferulic Acid
  • Vitamin E
  • Turmeric Root Extract

Complete Your Regime

Reviews

Frequently Asked Questions

Is Super C Ferulic suitable for sensitive skin?
Due to its potency, Super C Ferulic is not recommended for sensitive skin types. For a vitamin C formula that's proven to be gentle on sensitive skin, we recommend C-Tetra.
Can I use Super C Ferulic while pregnant or breastfeeding?
As a cosmetics company, we are unable to provide product advice in relation to medical conditions such as pregnancy. We would recommend discussing the ingredients with your GP or midwife before use.
When should I apply Super C Ferulic?
You should apply Super C Ferulic every morning, after cleansing but before sunscreen - as per our pioneering CSA Philosophy.
What's the shelf life of Super C Ferulic?
Super C Ferulic lasts 30 months unopened and 12 months from opening.
Super C Ferulic™
Full Size (30ml)
Full Size (30ml)