PRODUCT REVIEW
Biossance Squalane + Copper Peptide Rapid Plumping Serum
A copper peptide in a squalane base. What you feel immediately is the humectants, not the peptide.
Key facts
Biossance Squalane + Copper Peptide Rapid Plumping Serum at a glance.
Copper tripeptide-1 (GHK-Cu)
Key active
Lightweight, hydrating serum
Texture
Dry, sensitive skin wanting hydration plus a peptide
Best for
$62–$72
Approximate price
Fragrance free
Fragrance
1.69 oz
Size
$69.00
Price
Serum
Type
What is it?
Top things to know about Biossance Squalane + Copper Peptide Rapid Plumping Serum
- Biossance Squalane + Copper Peptide Rapid Plumping Serum is a lightweight, fragrance free hydrating serum, about $62 to $72. It is a hydrator with a peptide in it rather than a treatment serum. Nothing in it exfoliates and nothing in it is a retinoid.
- The base is squalane, a light oil close to a fat skin makes for itself, with glycerin and hyaluronic acid pulling water into the outer layer. Copper tripeptide-1 sits high in the list, and paracress tightens the surface for a while. The plumped feel comes from the humectants and the paracress, not the peptide.
It hydrates well and is sold on the wrong ingredient. The instant plumping is humectants holding water, and the copper peptide evidence comes from wounded skin, not intact faces. Do not layer it with vitamin C; the two cancel out. For firming with real data behind it, use a retinoid.
— Dr. Schwarz
Skin fit
Is it right for your skin?
Dry Skin
Dry skin is short of two things at once: water, and the oils that keep water from leaving. Glycerin and hyaluronic acid pull water into the outer layer, and squalane slows the rate it escapes. Not enough on its own for very dry skin, which still wants a cream over the top.
Sensitive Skin
Squalane is one of the least reactive oils in skincare, and this is fragrance free with no acid, retinoid or alcohol high in the list — one of the few peptide serums reactive skin tolerates without a ramp-up.
Damaged Skin Barrier
A stressed barrier loses water quickly and stings when anything is put on it. It needs water, lipids and time, not another active. This gives the first two while skin recovers from an over-used acid or retinoid.
Texture
What it feels like on skin.
Serum
A light, slightly slippery serum that spreads thinly and absorbs in about a minute. It leaves a soft, cushioned finish rather than a shine, and layers cleanly under moisturizer and sunscreen, though too thick a layer makes sunscreen pill. Skin feels tighter and looks smoother within minutes. That is the paracress — a surface effect that wears off. No fragrance, no sting.
Troubleshooting
If it didn’t work for you.
If it pills
Try thisUse less and let it dry fully before the next layer.
Alternatives
If this isn’t the right product for you
The Ordinary "Buffet" + Copper Peptides
Its copper peptide sits at position four and the 1% dose is on the label, for $28 to $32. Same idea, disclosed, for less.
The Ordinary Buffet
Seven peptide technologies high in the formula for about $17, fragrance-free, with a good hydrating base. Better value for the same thin category evidence.
Glow Recipe Pomegranate Copper Peptides Face Serum
Also a copper peptide, at position seven, and cheaper at $42 to $45, but it adds fragrance and a marine peptide with no independent human data.
Ingredients · Interactive
What’s in it, and where each ingredient works.
Full ingredient list · 32 ingredients, in label order. Click one.
The base the other ingredients are dissolved in. Most of it evaporates soon after the product goes on.
A small humectant. It moves into the outer layer of skin and holds water there.
A form of hyaluronic acid. Its molecule is large, so it stays on the surface and holds water there.
A thickener that keeps the texture even.
The preservative. It stops bacteria and mold from growing in the product.
Helps the preservative work and softens the feel of the product.
How to use it
How to use it.
How to apply it
- How muchThree or four drops. On damp skin the humectants have more water to hold.
What to pair it with
- LayeringKeep it away from vitamin C. Copper degrades L-ascorbic acid, so the two cancel out. Use one in the morning, the other at night.
What to expect
- What to expectThe plumped look arrives in minutes and is gone by the next wash. Anything the peptide adds takes months, and the evidence there is thin.
Questions
Common questions.
Is the instant plumping from Biossance Squalane + Copper Peptide Rapid Plumping Serum caused by the peptide?
No. It is humectants pulling in water, and it is temporary.
Is the copper peptide in Biossance Squalane + Copper Peptide Rapid Plumping Serum really dosed?
Yes. It sits high in the ingredient list.
Can I use Biossance Squalane + Copper Peptide Rapid Plumping Serum with vitamin C?
Not at the same time. Copper and vitamin C undo each other.
Is Biossance Squalane + Copper Peptide Rapid Plumping Serum fragrance-free?
Yes.
Who is Biossance Squalane + Copper Peptide Rapid Plumping Serum best for?
Dry or sensitive skin wanting hydration plus a peptide.
References
Sources.
- 1. Oral and topical peptides for skin aging: systematic review and meta-analysis of randomized controlled trials (https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2026.1618306/full) — This is the 2026 Frontiers in Medicine systematic review cited on the page; it finds peptides give modest, often inconsistent topical benefits and are well tolerated, supporting the 'peptides are oversold / honest picture' framing. Link
- 2. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data (https://www.mdpi.com/1422-0067/19/7/1987) — Backs the mechanism claim that the copper peptide (GHK-Cu / copper tripeptide-1) stimulates collagen, elastin and glycosaminoglycan synthesis and supports skin repair. Link
- 3. Skin Regenerative and Anti-Cancer Actions of Copper Peptides (https://www.mdpi.com/2079-9284/5/2/29) — Supports the copper peptide active's evidence base, describing GHK-Cu improving aging skin, reducing wrinkles/sagging and stimulating collagen and elastin. Link
- 4. Squalane as a Promising Agent Protecting UV-Induced Inhibition of Collagen Biosynthesis and Wound Healing in Human Dermal Fibroblast (https://www.mdpi.com/1420-3049/30/9/1964) — Supports the claim that the squalane base is a biocompatible, moisturizing, well-tolerated skin agent beneficial for dry/sensitive skin. Link
- 5. Synergistic moisturizing effect of a cellulose nanofibril/hyaluronic acid/poly-γ-glutamic acid blend system (https://link.springer.com/article/10.1007/s10570-025-06535-6) — Supports the claim that hyaluronic acid and polyglutamic acid deliver immediate water-based hydration/plumping and promote skin-moisturization pathways. Link