FIQ Copper IQ Serum vs Cream: What’s the Difference & Should You Use Both?
Copper peptides have become one of the most interesting ingredients in modern skincare, particularly for people looking to support firmer, smoother, better-hydrated and more resilient-looking skin.
FIQ takes an unusually concentrated approach with its Copper IQ Serum and Copper IQ Cream. Both formulas contain 3% Copper Tripeptide-1, also known as GHK-Cu, but they deliver it through very different skincare bases.
So which one should you choose?
The answer depends on your skin type, how much hydration and moisturisation you need, and whether you want to use one product or build the two into the same skincare routine.
Important: FIQ Copper IQ Serum and Copper IQ Cream are topical skincare products. They are intended to be applied to the skin, not consumed.
First: What Is GHK-Cu?
GHK-Cu is a naturally occurring copper-binding peptide found in the human body.
It has attracted considerable interest in skincare because of its relationship with the extracellular matrix and collagen-supporting processes within the skin.
In practical skincare terms, copper peptide products are generally used with the aim of supporting:
- Firmer and more resilient-looking skin
- Collagen-supporting skin processes
- Smoother-looking texture
- The appearance of ageing skin
- Overall skin condition and renewal
Both FIQ products deliver 3% Copper Tripeptide-1, so the biggest difference between them isn't simply the copper peptide itself but it's what surrounds it.
FIQ Copper IQ Serum
The FIQ Copper IQ Serum 30ml is the lighter of the two products.
It combines 3% GHK-Cu with several forms of hyaluronic acid, including sodium hyaluronate, sodium hyaluronate crosspolymer, hydrolysed hyaluronic acid and sodium acetylated hyaluronate.
Hyaluronic acid is highly valued in skincare because of its ability to attract and retain water within the skin.
What the Serum is best at
Copper peptides + intensive water-based hydration.
The Serum is designed to help:
- Hydrate the skin
- Support a plumper appearance
- Improve the feeling of skin firmness
- Support collagen-related skin processes
- Provide copper peptides without a heavy cream base
Because it is oil-free and water-based, it is particularly appealing for people who dislike heavier facial products.
The Serum may be best for:
- Normal skin
- Combination skin
- Oily skin
- People who prefer lightweight skincare
- Humid or warmer weather
- Layering underneath another moisturiser
- Anyone wanting hyaluronic acid and GHK-Cu in the same formula
FIQ Copper IQ Cream
The FIQ Copper IQ Cream 30ml also provides 3% GHK-Cu, but instead of focusing primarily on water-binding ingredients, its formula contains a richer blend of moisturising and emollient ingredients.
These include:
- Olive squalane
- Jojoba oil
- Shea butter
- Glycerin
- Aloe
- Vitamin E
This creates a substantially richer product than the Serum.
What the Cream is best at
Copper peptides + moisturisation + barrier-supporting oils.
Where the Serum focuses strongly on hydration, the Cream helps provide a more nourishing layer over the skin. This can be particularly useful when skin feels dry, tight or depleted.
The Cream may be best for:
- Normal-to-dry skin
- Dry or mature skin
- Skin that needs more moisturisation
- Cooler or drier weather
- Night-time skincare routines
- People who prefer a cream rather than layering multiple products
FIQ Copper IQ Serum vs Cream at a Glance
| Copper IQ Serum | Copper IQ Cream | |
|---|---|---|
| Copper peptide | 3% GHK-Cu | 3% GHK-Cu |
| Texture | Lightweight serum | Rich cream |
| Base | Water-based | Water + oils/emollients |
| Hyaluronic acid | Yes — multiple forms | Not the main focus |
| Squalane | No | Yes |
| Jojoba oil | No | Yes |
| Shea butter | No | Yes |
| Main skincare role | Hydration + peptide treatment | Moisturisation + peptide treatment |
| Best suited to | Normal, oily, combination | Normal, dry, mature |
| Good for layering | Excellent | Usually final moisturising layer |
Do You Need Both?
Not necessarily. Both products already contain the same key copper peptide at a 3% concentration, so you don't need to buy both simply to obtain GHK-Cu.
The reason to combine them is different.
Using both allows you to create a more complete skincare routine:
Serum = hydration and active peptide step
followed by
Cream = moisturising and nourishing step
In other words, you're using two different delivery systems rather than simply trying to apply “more copper”.
Why the combination can make sense
One of the most common skincare mistakes is treating hydration and moisturisation as the same thing. They are related, but they are not identical.
- The Serum contains several forms of hyaluronic acid designed to help attract water and improve skin hydration.
- The Cream contains ingredients such as squalane, jojoba and shea butter that help provide a richer moisturising layer over the skin.
Used together, the routine therefore provides:
GHK-Cu + hyaluronic acid + moisturising lipids
rather than GHK-Cu alone.
How to Use FIQ Copper IQ Serum and Cream Together
A simple routine could look like this:
Step 1 - Cleanse
Start with clean skin.
Step 2 - Apply Copper IQ Serum
Apply a small amount of FIQ Copper IQ Serum first.
Because it is the lighter, water-based formula, it should generally go underneath heavier skincare products.
Allow it to absorb.
Step 3 - Apply Copper IQ Cream
Follow with a small amount of FIQ Copper IQ Cream.
The Cream acts as the richer moisturising step.
Step 4 - Sunscreen in the Morning
If you're using the products as part of your morning facial routine, finish with an appropriate broad-spectrum sunscreen.
Another Option: Serum in the Morning, Cream at Night
You don't necessarily have to layer the two every time. For many people an attractive routine may be:
- Morning: Copper IQ Serum → moisturiser if required → sunscreen
- Evening: Copper IQ Cream
This gives you the lightweight texture of the Serum during the day and the richer Cream when skin may benefit from additional moisturisation overnight.
What About Dry Skin?
If your skin is particularly dry, using the Serum followed by the Cream may make the most sense. The Serum supplies hyaluronic-acid-based hydration, while the Cream provides the richer moisturising layer. This is also a combination we would particularly consider during Melbourne's colder and drier months.
What About Oily Skin?
If you're oily or congestion-prone, you may prefer to start with the Serum alone. It provides the 3% copper peptide without the richer shea butter and oil-containing cream base. You can always add the Cream later if your skin needs more moisturisation.
What About Sensitive Skin?
More isn't always better with active skincare. FIQ Copper IQ Serum is a concentrated 3% copper peptide formula, and sensitive or acne-prone skin may experience temporary irritation.
If you're new to copper peptides:
- Patch test first
- Introduce the product gradually
- Start with one FIQ Copper IQ product rather than immediately layering both
- Reduce frequency if irritation occurs
People with very reactive skin may prefer to introduce the Serum or Cream individually before deciding whether there is any need to combine them.
Serum or Cream: Which Should You Buy?
Choose FIQ Copper IQ Serum if your priority is: Lightweight texture + hydration + copper peptides.
Choose FIQ Copper IQ Cream if your priority is: Richer moisturisation + copper peptides.
Consider both if you want:
Hydration + copper peptides + a richer moisturising layer as part of the same routine.
The key point is that the two products aren't simply duplicates. They contain the same headline copper peptide ingredient but perform different roles within a skincare routine.
Shop FIQ Copper IQ at KimiKim Organics
FIQ Copper IQ Serum 30ml
Lightweight 3% GHK-Cu serum formulated with multiple forms of hyaluronic acid.
FIQ Copper IQ Cream 30ml
Rich 3% GHK-Cu cream formulated with squalane, jojoba oil, shea butter and other moisturising ingredients.
You can also explore the complete FIQ collection at KimiKim Organics.
General information only. Individual skin tolerance varies. Patch test before introducing a new active skincare product, particularly if you have sensitive or reactive skin. If you have an active skin condition, seek advice from an appropriate healthcare or skincare professional.