Last updated: 17/10/2022

How we pick our products

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17Evaluated articles

166User reviews

A Vitamin C Serum is a concentrated solution of L-ascorbic acid (Vitamin C) and other ingredients. It’s applied directly to the skin, usually on clean skin after cleansing but before moisturizing. The serum dries quickly without leaving any residue behind so you can apply your moisturizer right away.

Vitamin C Serum: Bestsellers and current offers in the UK

The best vitamin c serum in the UK: Our selection

The Best Vegan, Certified Organic & Dermatologically Tested Serum

This is the best vegan, certified organic & dermatologically tested serum on the market. It is gentle to your skin and formulated without parabens, sulphates or microplastics. This cruelty free product contains the highest concentration of vegan, grade a, spa-quality hyaluronic acid and vitamin c that are 100% pure and free of impurities. Florence is committed to using only the best ingredients in their award-winning line of anti-aging products. This lightening serum is more effective with 20+ ingredients for radiantly beautiful, younger-looking skin. Use it on your face, neck, decollete & eye contour for toned, elastic and moisturized skin with a flawless complexion.

The Perfect Anti-Aging Vitamin C Serum

Introducing violaskin’s powerful vitamin c serum. This potent face serum is made with the highest quality ingredients and rivals the most expensive big-brand anti aging creams. It will brighten, smooth, and moisturize your complexion while repairing sun damage and evening out skin tone. On top of that, it also naturally lifts and firms your skin, helps erase fine lines, and smoothens out wrinkles – making it the ultimate face care anti ageing hyaluronic acid serum.

New Vitamin C Serum Cream.

Introducing our new vitamin c serum cream. This 3-in-1 product is a potent serum, moisturizer, and SPF all in one. Our unique formula is packed with Vitamin C and super citrus to help brighten your skin and give you visible results without any greasiness. The best part? Our vegan formula is officially approved by Cruelty Free International under the Leaping Bunny Programme, so you can feel good about using it knowing no animals were harmed in its production. Try it today for brighter, healthier looking skin.

Vitamin C Serum: Frequently asked questions

What types of Vitamin C Serum are there and what determines a good product?

There are many types of Vitamin C Serum. The most common is L-ascorbic acid, which can be found in the form of powder or liquid. Other forms include Magnesium Ascorbyl Phosphate (MAP), Ethylated Ascorbic Acid and Sodium Ascorbyl Phosphate (SAP). MAP is more stable than other forms, but it requires a preservative to prevent bacteria growth. SAP has been shown to have similar anti-aging effects as vitamin C without causing irritation on sensitive skin; however, it may not penetrate into deeper layers of the skin like LAA does.

There are a few things that determine whether or not a Vitamin C Serum is good. First, it should be formulated with the correct concentration of L-ascorbic acid (LAA). Second, it should have pH levels between 3 and 4 to ensure stability. Thirdly, there shouldn’t be any unnecessary ingredients in the serum such as fragrances and parabens which can cause irritation for some people. Lastly but most importantly; you need to make sure your skin reacts well to this product. If you notice redness or flaking after using an anti aging vitamin c serum then discontinue use immediately.

Who should use a Vitamin C Serum?

Anyone who wants to protect their skin from environmental damage, including sun exposure. Vitamin C is a powerful antioxidant that can help reduce the appearance of fine lines and wrinkles while brightening your complexion. It also helps boost collagen production for firmer-looking skin.

Based on what criteria should you buy a Vitamin C Serum?

The first thing you need to look at is the concentration of Vitamin C. You should also check if it has other antioxidants and ingredients that are beneficial for your skin, such as hyaluronic acid or retinol. It’s important to choose a serum with natural preservatives instead of parabens and alcohol because they can cause irritation on sensitive skin types. Finally, make sure that the product doesn’t have any artificial fragrances added in order not to irritate your face even more than necessary.

The first thing you need to look out for is the concentration of Vitamin C. This will determine how much active ingredients are in a product and what results can be expected. A good serum should have at least 10% pure L-ascorbic acid, which is the most effective form of vitamin c available on the market today. If it has less than this amount then there’s no point even considering buying that particular product as its effectiveness would be greatly reduced compared to other products with higher concentrations. Another important factor when comparing serums is their pH levels; if they are too high or low then your skin won’t absorb them properly and therefore will not get any benefits from using them – so make sure you check.

What are the advantages and disadvantages of a Vitamin C Serum?


Vitamin C is a powerful antioxidant that can help protect the skin from free radical damage. It also helps to brighten and even out your complexion, as well as reduce signs of aging like wrinkles and fine lines.


There are no disadvantages of a Vitamin C Serum. However, if you have sensitive skin or any other issues with your skin, it is important to test the product on a small area before applying all over your face. This will ensure that there are no allergic reactions and that the serum does not irritate your skin in any way.

Shopping Guide: Everything you need to know

Which brands and manufacturers are represented in our review?

In our review, we present products from various manufacturers and suppliers. The list includes products from the following brands and manufacturers, among others:

  • Florence
  • ViolaSkin
  • La Roche-Posay

What is the price range of the featured products?

The cheapest Vitamin C Serum in our review costs around 5 pounds and is ideal for customers who are conscious about their money. However, those who are willing to spend more money for better quality can also spend around 24 pounds for one of the more expensive products.