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Vitamin C Concentrate

L-ascorbic acid, 15%.

$190

30 mL / 1.0 fl. oz.

  • Leaves skin looking
  • brighter-looking
  • more even-looking tone

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  • In stock

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Pairs well with

Pure L-ascorbic acid at the concentration that has the evidence behind it, in a low-pH base that keeps it stable and a vessel that keeps light off it. Used every morning it makes tone look more even and gives skin a visible brightness that is difficult to get any other way.

It will oxidise eventually — that is the nature of the molecule. Keep the cap on, keep it out of the sun, and finish it within three months of opening.

On the label

Vitamin C Concentrate

What it is
L-ascorbic acid, 15%.
Benefits
  • brighter-looking
  • more even-looking tone
Where it fits
brighten step
Key ingredients
  • L-ascorbic acid
  • ferulic acid

How to use

  1. First thing, every morning

    On dry skin, before anything else. Four or five drops.

  2. Then moisturiser and SPF

    In that order, every morning you use it.

  3. A tingle, not a sting

    A brief tingle on application is normal; stinging is not.

Vitamin C Concentrate

The formulation

L-ascorbic acid
the form with the evidence behind it, at 15% — the concentration those studies actually used
ferulic acid
holds the ascorbic acid stable for longer in a low-pH base

Also made with tocopherol, glycerin, propanediol

Vitamin C Concentrate formula

How it compares

  • The form

    Vitamin C Concentrate: L-ascorbic acid, 15%

    A typical prestige serum: A stabilised derivative, strength unstated

  • Honesty about ageing

    Vitamin C Concentrate: It oxidises. Finish it in three months

    A typical prestige serum: Silence

  • Light protection

    Vitamin C Concentrate: Opaque vessel, no fill window

    A typical prestige serum: Clear or amber glass you can see through

  • Price

    Vitamin C Concentrate: $190, all year

    A typical prestige serum: Three sale events a year