The Barrier Serum · 30ml

Skin, restored.

A calm, fragrance-free formula that repairs the moisture barrier and quiets reactive skin. Eight actives, one unhurried step, morning and night.

  • Fragrance-free
  • Dermatologist-tested
  • Vegan & cruelty-free
4.9 · 2,140 reviews
As seen in
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The formula

Eight actives.
Nothing extra.

We left out the fragrance, the essential oils, and the filler. What remains is a barrier-repair complex built on ceramides, niacinamide, and panthenol — at percentages the clinical literature actually supports.

  • 5%
    Niacinamidevisibly evens tone, supports barrier lipids
  • 3:1:1
    Ceramide complexrestores the skin's natural mortar
  • 2%
    Panthenol (B5)soothes and hydrates on contact
  • 0%
    Fragrance & essential oilsremoved — common triggers for reactive skin

The ritual

Two steps. Twice a day.

No ten-product shelf. Cleanse, then the serum — and let the barrier do its work.

AM

Morning

  1. 01 Cleanse with lukewarm water or a gentle gel.
  2. 02 Press 3–4 drops of serum into damp skin.
  3. 03 Seal with SPF 30+. You're done.
PM

Evening

  1. 01 Double-cleanse to clear the day.
  2. 02 Apply serum to slightly damp skin.
  3. 03 Layer a richer moisturiser over the top.
Three weeks in and the redness I'd chased for years just… settled. It's the first thing I've repurchased twice.
Mara L. · verified buyer · combo, reactive skin

Bestseller

The Barrier Serum

Niacinamide 5% · Ceramides · Panthenol — 30ml

$68or $60 at subscribe & save
  • Fragrance-free & non-comedogenic
  • Clinically-tested on sensitive skin
  • 30-day empty-bottle guarantee

Free carbon-neutral shipping · Returns within 30 days

Slow letters on skin.

One calm note a month — formulation notes, no noise. 10% off your first bottle.