Best Vitamin C Serums UK 2026: How to Choose by Skin Type
Last updated: June 2026
The best vitamin C serum depends on your skin type. Stabilised vitamin C derivatives are usually better for beginners and sensitive-feeling skin, while stronger vitamin C formulas may suit experienced users. Use vitamin C in the morning before moisturiser and SPF, and choose formulas with supporting ingredients such as hyaluronic acid or niacinamide if your skin also needs hydration or visible tone support.
Vitamin C serums are popular in UK skincare routines because they help improve the look of dull skin, uneven-looking tone and lack of radiance. A well-chosen vitamin C serum can support a brighter-looking morning routine when used consistently with moisturiser and SPF.
The challenge is that not every vitamin C formula suits every skin type. Some formulas are stronger and more active-feeling, while others use stabilised derivatives that are easier to introduce. This guide explains what to look for, how to use vitamin C, and which vitamin C serum options to consider at Belantti.
Browse vitamin C serums at Belantti →
Best Vitamin C Serums at a Glance
| Best For | Recommended Route | Why |
|---|---|---|
| Everyday vitamin C routine | Belantti Vitamin C Brightening Serum | Good daily option with vitamin C, hydration and tone-supporting ingredients |
| Dull-looking skin | COS DE BAHA Vitamin C Serum | Combines vitamin C with hyaluronic acid and niacinamide |
| Dehydrated-looking skin | Belantti Hyaluronic Acid + Vitamin B5 Serum | Useful to layer before vitamin C when hydration is also a concern |
What Does Vitamin C Do for Skin?
Vitamin C is an antioxidant skincare ingredient used to support a brighter, more even-looking complexion. In cosmetic skincare, it is commonly chosen for dull-looking skin, uneven-looking tone and routines focused on radiance.
- Helps improve the look of dull skin with consistent use
- Supports a more even-looking complexion as part of a daily routine
- Provides antioxidant support within a morning skincare routine
- Works well with SPF because vitamin C and sunscreen complement different parts of the morning routine
Important: vitamin C is a cosmetic skincare ingredient. It helps improve the appearance of skin. It does not treat, cure or prevent any skin condition and does not replace SPF.
Types of Vitamin C Used in Serums
Not all vitamin C serums use the same form of vitamin C. The form used affects how stable the formula is, how active it may feel on the skin, and which skin type it may suit best.
| Vitamin C Form | Routine Strength | Best For | Notes |
|---|---|---|---|
| L-ascorbic acid | Stronger | Experienced users | Well-known form, but can feel too strong for some sensitive-feeling skin types |
| Ascorbyl glucoside | Moderate | Beginners, dry-feeling or sensitive-feeling skin | Stabilised derivative that is often easier to introduce |
| Sodium ascorbyl phosphate | Moderate | Most skin types | Stable option for everyday vitamin C routines |
| Ascorbyl tetraisopalmitate | Moderate | Dry-feeling or mature-looking skin routines | Oil-soluble derivative often used in richer formulas |
If you are new to vitamin C, a stabilised derivative is usually the cleaner starting point. Stronger formulas may suit experienced users, but they require more care, especially if your skin is prone to sensitivity.
Best Vitamin C Serums Available in the UK
The following options are available through Belantti and support different routine needs, including everyday brightening, dull-looking skin and hydration-focused layering.
Best Everyday Option: Belantti Vitamin C Brightening Serum
The Belantti Vitamin C Brightening Serum is a strong everyday option for customers who want a simple vitamin C serum that fits easily into a morning routine. It combines vitamin C positioning with hydration and visible tone-supporting ingredients, making it suitable for many daily skincare routines.
- Best for: beginners, everyday use and dull-looking skin routines
- Routine role: morning serum step before moisturiser and SPF
- Texture: lightweight serum
Best for Dull-Looking Skin: COS DE BAHA Vitamin C Serum
The COS DE BAHA Vitamin C Serum with Hyaluronic Acid and Niacinamide combines vitamin C with two popular support ingredients. Hyaluronic acid supports hydration, while niacinamide supports visible balance and an even-looking complexion.
- Best for: dull-looking skin, uneven-looking tone and combination routines
- Routine role: brightening-style serum step
- Texture: lightweight serum
Best Hydration Pairing: Belantti Hyaluronic Acid + Vitamin B5 Serum
If your skin feels dehydrated as well as dull, pairing vitamin C with a hydration serum can make the routine feel more comfortable. The Belantti Hyaluronic Acid + Vitamin B5 Serum can be layered before vitamin C to support lightweight hydration.
- Best for: dry-feeling or dehydrated-looking skin
- Routine role: hydration support before vitamin C
- Use: apply before vitamin C serum, then follow with moisturiser and SPF
Browse all vitamin C skincare at Belantti →
How to Use a Vitamin C Serum
Vitamin C is usually used in the morning because it fits well with moisturiser and SPF. Keep the routine simple and consistent.
- Cleanse your face and pat dry
- Apply toner or essence if this is part of your routine
- Apply vitamin C serum to the face and neck, avoiding the eye area
- Follow with moisturiser once the serum has absorbed
- Finish with SPF as the final morning step
Key rule: vitamin C should not replace SPF. Use SPF every morning as the final step of your skincare routine.
How to Choose the Right Vitamin C Serum for Your Skin Type
| Skin Type | Best Formula Route | Avoid Starting With |
|---|---|---|
| Dry-feeling skin | Vitamin C with hydrating ingredients such as hyaluronic acid | Very strong formulas without hydration support |
| Oily-feeling skin | Lightweight serum textures | Heavy or oily-feeling formulas |
| Sensitive-feeling skin | Stabilised vitamin C derivatives introduced slowly | High-strength formulas used too frequently at the start |
| Combination skin | Lightweight vitamin C with niacinamide or hydration support | Very rich formulas if your T-zone gets shiny |
Browse by routine need: sensitive skin skincare, dry skin skincare, oily skin skincare and face serums.
Can You Use Vitamin C with Other Ingredients?
Yes, but keep the routine controlled. Vitamin C pairs well with some ingredients, while others are better used separately.
- Vitamin C + SPF: strong morning routine pairing, with SPF as the final step
- Vitamin C + hyaluronic acid: useful for hydration support
- Vitamin C + niacinamide: suitable in many modern stabilised formulas
- Vitamin C + retinol: use separately; vitamin C in the morning and retinol in the evening
- Vitamin C + AHA or BHA: use carefully and avoid overloading sensitive-feeling skin
The practical rule is simple: keep your morning routine focused on vitamin C, moisturiser and SPF. Keep stronger evening actives, such as retinol or exfoliating acids, separate unless your skin is already tolerant.
Morning Vitamin C Routine
A simple morning vitamin C routine could look like this:
If your skin feels dry, add hyaluronic acid skincare before vitamin C or choose a vitamin C formula that already includes hydration support.
Shop Vitamin C Skincare at Belantti
Shop vitamin C skincare, face serums, skincare essentials, hyaluronic acid skincare and SPF products at Belantti. Free UK delivery is available on qualifying orders over £25.
Frequently Asked Questions
When should I apply vitamin C serum?
Vitamin C serum is usually applied in the morning after cleansing and before moisturiser. SPF should be used as the final step of the morning routine.
How long does vitamin C serum take to work?
Some people notice brighter-looking skin within several weeks of consistent use, while the look of uneven tone or dark spots may take longer. Results depend on the formula, routine and skin type.
Can vitamin C serum irritate skin?
Vitamin C can feel too strong for some skin types, especially high-strength formulas. If your skin is sensitive-feeling, start slowly and choose a stabilised vitamin C derivative where suitable.
Does vitamin C serum expire?
Yes. Some vitamin C formulas can oxidise over time, especially when exposed to light and air. Store your serum as directed and stop using it if the texture, colour or smell changes significantly.
Can I use vitamin C serum every day?
Many people use vitamin C daily in the morning. If you are new to vitamin C or your skin is sensitive-feeling, start a few times per week and increase gradually if your skin remains comfortable.
Do I need SPF with vitamin C?
Yes. SPF should be used every morning. Vitamin C provides antioxidant support within the routine, while SPF provides UV protection. One does not replace the other.
Can I use vitamin C with niacinamide?
Yes. Vitamin C and niacinamide can be used together in many modern skincare routines, especially when the formula is stabilised and your skin tolerates both ingredients.
Can I use vitamin C with retinol?
It is usually better to separate them. Use vitamin C in the morning and retinol in the evening to keep the routine easier to manage.
Ready to choose your serum? Browse vitamin C skincare and face serums at Belantti.
