Free delivery over £50 · 30-day money-back guarantee
Woman with natural skin holding the CUIVRE cobalt-blue copper serum dropper bottle at her cheek, in warm afternoon light
GHK-Cu Copper Peptide + Bakuchiol

The blue drop for radiant‑looking skin.

A lightweight 30 ml serum that pairs blue copper peptide (GHK-Cu) with plant-derived bakuchiol, hyaluronic acid, niacinamide, adenosine and collagen, for skin that looks smoother, brighter and more hydrated.

Shop the serum — from £9 a bottle See what's inside
Lightweight, fast-absorbing 30 ml glass dropper bottle
Why CUIVRE

One serum, four cosmetic benefits

A daily serum designed to hydrate and to improve the look of skin texture, tone and suppleness.

Supple look

Copper peptide and adenosine help skin look firmer and more supple.

Smoother texture

Bakuchiol helps improve the look of fine lines and uneven texture.

Brighter tone

Niacinamide helps skin tone look more even and radiant.

Hydration

Hyaluronic acid helps maintain skin hydration with a lightweight, non-greasy feel.

The formula

Six key ingredients

Copper peptide, bakuchiol, hyaluronic acid, niacinamide, adenosine and collagen.

Flat-lay of the CUIVRE serum bottle with a dish of blue copper serum, a swatch of copper, babchi seeds and a glass pipette
Hero ingredient

GHK-Cu

Blue copper tripeptide, a skin-conditioning peptide that gives the serum its blue colour.

  • Helps skin look firmer
  • Helps skin look brighter
Plant-derived

Bakuchiol

A plant-derived ingredient from the babchi seed, used in skincare for smoother-looking skin.

  • Improves the look of texture
  • Softens the look of fine lines
Moisture

Hyaluronic Acid

A humectant that helps skin hold moisture, so it looks plump and dewy.

  • Helps maintain skin hydration
  • Lightweight, fast-absorbing feel
Supporting cast

Niacinamide, Adenosine & Collagen

A skin-conditioning trio that rounds out the formula for a smoother, more even, supple-looking finish.

  • Helps skin tone look more even
  • Leaves skin feeling soft
Woman releasing a drop of blue copper serum from the CUIVRE pipette onto her cheek
How to use

A simple daily step

  1. CleanseStart with clean, dry skin.
  2. Apply a few dropsSmooth over the face, avoiding the eye area.
  3. Follow with moisturiserIn the morning, finish with sunscreen.

For external use only. Avoid contact with eyes. If irritation occurs, stop use. Patch test before first use. Keep out of reach of children. Store in a cool, dry place.

What to expect

With regular use

Right away

Skin feels hydrated and soft.

Over weeks

Skin texture can look smoother.

Ongoing

Skin tone can look brighter and more even.

Cosmetic effects on appearance only. Individual results vary.

Woman with eyes closed pressing blue copper serum onto her cheekbone, the CUIVRE bottle on a stone ledge in front of her
CUIVRE Blue Copper Peptide Serum: 30 ml cobalt-blue dropper bottle with copper collar beside its white carton

Blue Copper Renewal Serum

GHK-Cu + Bakuchiol · 30 ml

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Free delivery £50+
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30-day guarantee
Key ingredients
Copper Tripeptide-1 (GHK-Cu), Bakuchiol, Hyaluronic Acid, Niacinamide, Adenosine, Collagen.

30 ml · Shelf life 3 years unopened.
Delivery & returns
Orders are dispatched within 1–2 working days and usually arrive 2–3 working days later by tracked post. Free delivery on orders over £50, otherwise £3.95. You can cancel within 14 days of delivery, and our 30-day money-back guarantee applies on top. Full policy
Made for every skin

One blue drop. Every skin.

A lightweight daily serum designed to sit comfortably in any routine, whatever your skin tone.

Portrait of a woman with long dark hair and warm olive skin
Portrait of a woman with long black hair and warm brown skin
Portrait of a woman with short natural hair and deep brown skin
Portrait of a woman with long auburn hair and freckled fair skin

Illustrative ambassador imagery.

FAQ

Good questions

Why is the serum blue?
The blue colour comes from the copper peptide, GHK-Cu.
What's in it?
The key ingredients are GHK-Cu copper peptide, bakuchiol, hyaluronic acid, niacinamide, adenosine and collagen.
What should I know before using it?
For external use only. Avoid contact with eyes. Patch test before first use and stop use if irritation occurs. If you are pregnant or breastfeeding, ask your doctor before using new skincare.
How big is the bottle?
30 ml, in a glass dropper bottle. Shelf life is 3 years unopened. Store in a cool, dry place.
How much is delivery?
Delivery is free on orders over £50, otherwise £3.95. See our Delivery & Returns page for details.
What is your return policy?
You can cancel within 14 days of delivery, and our 30-day money-back guarantee applies on top. See our Delivery & Returns page.
Renewal Serum
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