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Silymarin CF Vitamin C Antioxidant Serum

Environmental protection for oily, blemish-prone skin. Fights against visible skin ageing. Clinically proven to reduce oil oxidation by up to 76%*
Silymarin CF is rated 4.7 out of 5 by 49.
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Silymarin CF is a powerful vitamin C triple antioxidant serum formulated specifically for oily and b ... Read full description

Silymarin CF Vitamin C Antioxidant Serum

Silymarin CF Vitamin C Antioxidant Serum

Environmental protection for oily, blemish-prone skin. Fights against visible skin ageing. Clinically proven to reduce oil oxidation by up to 76%*

Save 20% when you buy the complete routine

Why shop with us ?

  • Free delivery on all orders​
  • 2 free luxury samples on every order worth up to £38
  • Free Next Day Delivery with all orders over £200*

Silymarin CF is a powerful vitamin C triple antioxidant serum formulated specifically for oily and blemish-prone skin. SkinCeuticals research shows that specific combinations of antioxidants, when effectively formulated, perform synergistically to provide results superior to each single antioxidant formulation. The result of six years of research and development, this lightweight formula helps reduce oil oxidation, control excess sebum and improve the appearance of blemishes and signs of ageing. Silymarin CF contains 0.5% Silymarin, optimized concentration of milk thistle plant.

15% L-ascorbic acid (pure vitamin C antioxidant), 0.5% Ferulic acid, plant-based antioxidant and 0.5% Salicylic acid (Beta hydroxy acid). It provides environmental protection for oily, blemish-prone skin and fights against visible skin ageing.

  • Clinically proven to reduce oil oxidation by up to 76%*
  • Improves appearance of fine lines and wrinkles by up to 24%**
  • Reduces excess sebum/oil by up to 15%***
  • Reduces oiliness by up to 15%***

*Clinical study 35 subjects (China, 2020)
**8 clinical study, 55 women (USA, 2019)
***12 week clinical study, 60 women (Brazil, 2020)

Key Ingredients

  • 0.5% Silymarin: Optimized concentration of milk thistle
  • 15% L-ascorbic acid: pure vitamin c antioxidant
  • 0.5% Ferulic acid: Plant-based antioxidant
  • 0.5% Salicylic acid: Beta hydroxy acid



*Please be aware that ingredient lists for products in our brand are updated regularly. Please refer to the ingredient list on the product package for the most up-to-date list of ingredients to ensure it is suitable for your personal use.

Silymarin CF

How is SkinCeuticals committed to becoming more sustainable?

SkinCeuticals is committed to looking for ways to improve the sustainability profile of our formulas and ingredient development by aiming to follow these principles:

  • Reduce our water footprint index
  • Source more renewable ingredients
  • Increase biodegradability (of rinse-off formulas)
  • Minimise our packaging through continuous optimisation and innovation and greater use of post-consumer recycled (PCR) materials.

When skin’s oils oxidize, free radicals are generated that can damage skin and create favourable conditions for blemishes. This powerful antioxidant helps reinforce the skin’s natural protection from free radical damage.

  • 76% agreed that the product helps reduce the appearance of blemishes*
  • 71% saw a visible improvement in the appearance of pores*
  • 81% agreed skin looked smoother*
  • 73% agreed skin tone looked more even*
  • 78% saw improvement in the appearance of skin clarity*
*Self-assessment, 60 subjects (Brazil, 2020)
Silymarin CF

How to Use

In the morning, after cleansing, apply 4-5 drops of Silymarin CF to face, neck and chest.

1. Prevent

Powerful daytime vitamin C antioxidant serum formulated for oily and blemish-prone skin helps protect against free radical damage and reduce oil oxidation.

We recommend
Silymarin CF

2. Correct

High potency oil-free serum clinically formulated to improve the appearance of blemishes, fine lines and wrinkles.

We recommend
Blemish + Age Defense

3. Protect

UVA/UVB broad spectrum dual-action, lightweight sunscreen with SPF 50 that helps protect the skin from UV-induced discolouration and helps evens skin tone.

We recommend
Advanced Brightening UV Defense SPF 50

Clinical Results

Average results from clinical study

Before and after results

Protocol: A 12-week, single-center clinical studies conducted on 60 men and women ages 18-50 with oily and blemish-prone skin. Silymarin CF was applied once daily in conjunction with a sunscreen. (Brazil, 2020)

Dr. Emma Craythorne x SkinCeuticals Antioxidants

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Rated 5 out of 5 by from Great Product This product is great, it is a little pricey, but I think it is worth every penny! This product has enabled me to simplify my skincare routine. I have been using for about 6 weeks, and the biggest difference I have seen in my skin is that it is less oily. Which in turn solves many (if not all) of my skin problems! Product has no bad smell like some other vitamin C serums and was absorbed nicely into the skin. I use this in AM, followed by HA intensifier, and SPF. And in the evening use a heavier moisturiser and retinol. My skin has never looked so good, and my routine feels good, this was just what I needed!
Date published: 2021-01-14
Rated 5 out of 5 by from A lovely all-in-one serum to tackle blemishes and antioxidant protection in one I love the fact that this serum ticks two boxes, helping to keep my skin clear and providing antioxidant protection. This seems to be a rare combination in skincare. It feels very good to apply, light and not like it is sitting in a layer on my skin. I feel like this is all I need under my SPF in the morning. I can rest assured that it is providing protection without clogging my pores. One of the best Skinceitucals products I have used, and one that I can imagine using in the longterm to maintain clear and healthy skin. My skin looks glowing and clear since using this serum, and all the other products I use later beautifully over the top.
Date published: 2021-01-25
Rated 5 out of 5 by from Great Product I bought this product about a month ago but I was struggling with it at 1st and something I discovered is that it's best to apply immediately after you have washed your face when it's still not completely dry it absorbs into the skin far much better than when the skin has dried up a abit. Other than that I am super pleased with the results so far and I will definitely keep using it I pair it with the blemish and age as well as the phyto corrective (both used with the serum separately not at the same time) and I my skin is just glowing. Very happy with the product.
Date published: 2021-05-12
Rated 5 out of 5 by from Game changer!!! I’m in love! I have oily skin and in the past have suffered cystic acne. I know have that mostly under control but can still suffer the odd cystic breakout and regular blemish. I also have lots of blackheads under my skin. I’ve now been using this serum nearly 4wks and I haven’t had any major breakouts! Also the blackheads that were ‘stuck’ under the skin have been working their way to the surface-no other product has cleared them like this. Next, THE GLOW! My skin is seriously glowy. And I don’t have good health sadly so this is from this serum. In fact, I saw my sister 2days after starting using it and she said “your skin looks amazing, it’s glowing, what have you done?”. That glow has only increased as I’ve used the serum over time. I also believe some of my left over pigmentation from the summer has started to shift. Texture wise this serum is incredibly lightweight and sinks into your skin immediately. There’s no greasy or oily residue and you don’t feel oily throughout the day from it. It has the ‘typical’, ‘proper’ vitamin C smell to it which I don’t mind & prefer to ‘scented’ ones. I’ve tried all of the SkinCeuticals vitamin C serums, they are all amazing in terms of the results they provide. This one however, provides extra benefits for oily and blemish prone skin. The salicylic acid is clearly benefiting my pores and I’m enjoying that there’s not residue. I can’t speak highly enough of this serum!!
Date published: 2020-12-22
Rated 5 out of 5 by from Does what it is supposed to do This product is aimed at the oily blemish skin and i think it is perfect for that. I tried this product as I really needed something to restart my skin after moving back from hot climate to UK. However i have sensitive skin and this worked really well at the start but is too strong for long term use for my rosacea skin. I then used one to two times per week which suited my skin well. I will be purchasing the Serum 10 or CE Ferulic which is more suited for my skin. However if this fits your skin type it will give you the antioxidant and renewal you will need.
Date published: 2021-01-11
Rated 5 out of 5 by from Fantastic for acne prone skin. As an avid user of skinceuticles, particularly the CE Ferulic serum, I relish the chance of trying a new product that may help to combat my 42 year old rosacea/acne prone skin. I can happily say Silymarin CF has lived up to its promise, after 6 weeks of daily use my skin has never been so clear and blemish free. The only issue some may find it the distinctive smell, like with the CE Ferulic, but this to me was not an issue especially when I saw how my skin was improving. This is a beautiful serum that is definately going to be repurchased. Thank you Skinceuticles.
Date published: 2021-01-30
Rated 5 out of 5 by from Very clever product! I love this new product from skinceuticals, i regularly use other antioxidant serums from the same brand and occasionally i use the blemish and age defence as my skin breaks out sometimes. So it is fantastic that i can now have one product that works hard for my skin. I found that it took a couple of weeks for my skin to get use to it, i found it quite potent but after the initial period my skin became brighter and it did not dry out. It does not layer very well as it takes time to get absorbed by my skin, so i started using other products when needed before i apply it, my moisturiser though gets absorbed really well on top of the serum very quickly without any problems. Also my skin has become tighter and fine lines have become smoother.
Date published: 2021-01-11
Rated 5 out of 5 by from Great for Skin Balancing This is a great product for balancing the skin especially for those who have combination skin. It helps with blemishes and fine lines, salicylic acid also helps renew skin and makes my skin look balanced, refreshed and taught. The pores look mote refined too. Another good product from Skin Ceuticals, I have tried many of their range and they are top grade, high quality products.
Date published: 2021-01-07
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