Free delivery over £75

AURX LABSFieldstoneAX-CER3 · 30 ML
Bestseller

Barrier & Peptides

Fieldstone

Ceramide Barrier Serum

4.9 · 2,976 reviewsRated 4.9 out of 5 from 2976 reviews
In stock

Ceramides, cholesterol and fatty acids at the ratio healthy skin actually uses.

Use
AM / PM
Strength
Gentle
Size
30 ml
  • Repairs the barrier that acids and retinoids spend
  • Calms reactive, stinging, over-exfoliated skin
  • Makes an aggressive routine sustainable long-term
Purchase options
1

£17 more for free delivery

Order before 4pm UK time and it ships today

90-day returns, opened or not

Buy the pair

Save £13.60

Fieldstone + Nocturne 0.3

0.3% Encapsulated Retinol

Measured results

3:1:1
Barrier lipid ratio
Matched to healthy stratum corneum
-44%
Water loss reduction
TEWL, 4 weeks, n=118
92%
Less reactivity
Self-assessed, compromised-barrier panel

What is doing the work

Key actives, at declared doses

Everything below is listed as a percentage of the finished formula, not as a position on an ingredient list.

  • 01

    3%

    Ceramide Complex

    NP, AP and EOP — the three skin needs most

  • 02

    1%

    Cholesterol

    Completes the barrier lipid ratio

  • 03

    0.5%

    Phytosphingosine

    Ceramide precursor with antimicrobial action

How to use

In this order, at this cadence.

AM / PMGentle30 ml
  1. 01

    Apply morning and evening, after water-based serums.

  2. 02

    Use nightly alongside any retinoid or acid course.

  3. 03

    Increase to twice daily during retinisation or in cold weather.

  4. 04

    Safe on eyelids, around the nose and on the neck.

What it looks like

The bottle, the texture, the routine

Photography that shows the product as it actually arrives and how it goes on.

  • Batch code

    AX-CER3

  • Size

    30 ml

  • Made without

    Fragrance, dyes, essential oils

Directions & disclosure

Everything on the box, and then some.

Batch AX-CER3 · Certificate of analysis available on request

Aqua, Glycerin, Caprylic/Capric Triglyceride, Ceramide NP, Ceramide AP, Ceramide EOP, Cholesterol, Phytosphingosine, Squalane, Sodium Hyaluronate, Panthenol, Cetearyl Alcohol, Xanthan Gum, Phenoxyethanol.

Fragrance-free, essential-oil-free and dye-free. Never tested on animals.

Compare

Every barrier & peptides formula, side by side

Same category, different strengths. The right one is usually the gentlest that still does the job.

FormulaStrengthUseSizePrice
Scaffold12-Peptide Firming SerumGentleAM / PM30 ml£92View
FieldstoneCeramide Barrier SerumGentleAM / PM30 ml£58You are here
Baseline10% Niacinamide + 1% ZincGentleAM / PM30 ml£42View

Reviews

What people report back

4.9
4.9Rated 4.9 out of 5

2,976 reviews

  • 5 star90%
  • 4 star8%
  • 3 star2%
  • 2 star0%
  • 1 star0%
  • 5.0Rated 5 out of 5

    Rescued an over-exfoliated barrier

    A year of too many acids left my skin stinging at everything. Six weeks of this and that has stopped.

    Marta S.2 months ago
  • 5.0Rated 5 out of 5

    Makes the rest of the routine possible

    The 3:1:1 ratio is not marketing — this is the only ceramide serum that has held my barrier together.

    Ivan B.4 months ago

Questions

Before you buy it.

Not covered here? Our team answers within one working day.

Layers well with

Complete the routine