Best Face Serum Under £30 UK
You don't need to spend £50+ on a serum to see real results. The UK skincare market has some of the best affordable serums in the world, with brands like The Ordinary and CeraVe offering clinical-grade formulations at pharmacy prices. This guide covers the top serums under £30 for different skin concerns, all widely available on the UK high street and online.
What to Look For
- 1Identify your primary skin concern first — hyaluronic acid for hydration, niacinamide for pores and oiliness, retinol for anti-ageing, and salicylic acid for breakouts.
- 2Check the concentration: 2% niacinamide is gentler for sensitive skin, while 10% suits oily/combination types. For retinol, start at 0.2–0.5% if you're new to it.
- 3Fragrance-free formulations are safer for sensitive or reactive skin, which is common in the UK's cold, dry winters.
- 4Layer serums thinnest to thickest — apply water-based serums before oil-based ones, and always finish with SPF in the morning.
- 5Boots, Superdrug and LookFantastic frequently discount serums — sign up for Advantage Card points or wait for 3-for-2 offers to stock up.
Our Top Picks
The Ordinary Niacinamide 10% + Zinc 1%
Pros
- High-strength 10% niacinamide for visible pore reduction
- Zinc helps regulate sebum production
- Under £6 at most UK retailers
- Lightweight, non-greasy formula suits oily and combination skin
Cons
- 10% concentration can irritate very sensitive skin
- Some users report pilling under makeup
The UK's most popular affordable serum — targets pores, oiliness and blemishes at an unbeatable price.
CeraVe Hydrating Hyaluronic Acid Serum
Pros
- Three essential ceramides plus hyaluronic acid
- MVE technology releases hydration throughout the day
- Fragrance-free and non-comedogenic
- Widely available at Boots pharmacies
Cons
- Thicker texture than some water-based serums
- Around £15 — pricier than The Ordinary alternatives
Dermatologist-developed formula with ceramides that hydrates and repairs the skin barrier simultaneously.
The Ordinary Hyaluronic Acid 2% + B5
Pros
- Multi-molecular weight HA targets different skin layers
- Vitamin B5 enhances surface hydration
- Under £7 at Boots and Superdrug
- Lightweight and layers well under moisturiser
Cons
- Can feel slightly tacky before moisturiser is applied
- Works best in humid conditions — less effective in very dry heated rooms
Multi-weight hyaluronic acid at under £7 makes this the best pure hydration serum on a budget.
La Roche-Posay Pure Niacinamide 10 Serum
Pros
- Gentler formulation than pure 10% niacinamide products
- Added HEPES for gentle exfoliation
- Dermatologically tested on sensitive skin
- Absorbs quickly with no pilling
Cons
- Around £28 — near the top of the budget range
- Smaller 30ml bottle for the price compared to competitors
Premium-feel niacinamide serum backed by dermatological research, ideal for those who find The Ordinary too strong.
The Ordinary Retinol 0.5% in Squalane
Pros
- 0.5% retinol suits those who have built tolerance from lower strengths
- Squalane base moisturises and reduces irritation
- Under £6 — fraction of the cost of branded retinol serums
- Suitable for evening use year-round
Cons
- Must be used with SPF the following morning
- Can cause initial dryness and peeling during the adjustment period
Affordable entry-level retinol that delivers anti-ageing benefits without the high price of prescription-grade alternatives.
Editor's Note
The Ordinary revolutionised UK affordable skincare and remains the benchmark at the under-£10 tier. CeraVe and La Roche-Posay sit in the £15–£25 range with dermatologist-backed formulations widely stocked at Boots pharmacies. During UK winter months (November–March), switching to a heavier hyaluronic acid serum or layering with a ceramide moisturiser helps combat central heating dryness.