UNDEPLETED

Smoother-looking skin. Simple science. Three actives.

A lightweight daily serum made with NAD+, Copper Tripeptide-1 (GHK-Cu), and Hydrolyzed Collagen.
From $35 a bottle
Choose your pack
The UNDEPLETED + NAD Renewal Serum bottle, 30ml, deep red glass with a brushed silver collar.
UNDEPLETED + NAD Renewal Serum. A 30ml dark red glass bottle with a silver collar and a white dropper top.

UNDEPLETED + NAD Renewal Serum

Smoother-looking skin. Simple science. Three actives.

A lightweight daily serum made with NAD+, Copper Tripeptide-1 (GHK-Cu), and Hydrolyzed Collagen.
Three ingredients people keep hearing about in skincare — explained simply, clearly, and without hiding them inside a mystery blend.
  • Helps skin feel softer, smoother, and more hydrated
  • Helps soften the appearance of fine lines
  • Supports the look of firmer, healthier-looking skin
  • Lightweight and fast-absorbing
  • No sticky or greasy residue
  • Fragrance-free
  • Made for face and neck
  • For all skin types, including sensitive skin
  • Unisex
30ml · About 60 days of use · Morning + night
Choose Your Pack
3 bottles —$118Original price $207Save 43%
$39.33 each · About 6 months
Lowest price per bottle $35.00
One-time purchase. No subscription. No auto-refill. Nothing to cancel.
The crossed-out price is our own 1-bottle price times the number of bottles.
Choose your pack
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Choose Your Pack

One bottle lasts about two months.
One-time purchase. No subscription. No automatic refill. Nothing to cancel.
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What Is UNDEPLETED Made For?

For the things you actually notice in the mirror.
Skin can start to look dry, dull, rough, or less firm over time.
Fine lines can become easier to see. Your face may not look as fresh as it once did. Your neck and jawline can start showing changes too.
UNDEPLETED was made as a simple daily serum for the look and feel of your skin.
Use it for:
  • Close-up of skin at the temple in soft daylight, with faint fine lines fanning across the frame.
    Fine LinesHelps soften the appearance of fine lines and dry-looking texture.
  • Inner forearm skin on unbleached linen showing natural tone variation.
    Smoother-Looking SkinHelps skin feel soft, hydrated, and smooth.
  • Collarbone and the base of the neck above a linen neckline.
    The Look of FirmnessMade for skin that you want to look more firm, fresh, and cared for.
  • Facial skin in raking light, its natural texture and pores described by shadow.
    Dry or Crepey-Looking TextureAdds lightweight moisture without a heavy cream or greasy finish.
  • Jaw underside and the line of the neck above an open linen collar.
    Face, Neck & JawlineOne serum for the areas people tend to notice most.
  • The back of a relaxed hand with deep brown skin resting on a warm off-white surface.
    Every Skin ToneOne simple formula made for all skin tones and for both men and women.

Three Actives. No Mystery.

Here’s what’s inside — and why.
Skincare should not require a chemistry degree.
So here’s the simple version.
UNDEPLETED contains three main active ingredients:
  • NAD+
  • Copper Tripeptide-1 (GHK-Cu)
  • Hydrolyzed Collagen
No made-up ingredient names.
No “secret anti-aging complex.”
No hiding the important ingredients behind a proprietary blend.
Here’s what each one actually is.
Active 1

NAD+

Nicotinamide Adenine Dinucleotide
You’ve probably heard the name NAD+ in conversations about wellness, energy, and aging.
But what is it?

Think of NAD+ as a tiny helper.

NAD+ is a molecule naturally found in living cells.
Inside the body, it helps with many normal chemical reactions your cells use every day.
That’s why scientists have been studying NAD+ for decades.
In skincare, NAD+ can also be used as a skin-conditioning ingredient.

Why is it in UNDEPLETED?

Because NAD+ is the ingredient this serum was built around.
Instead of hiding it inside a complicated blend, we put its name right on the bottle.
Simple ingredient. Clearly named. Easy to understand.
Important: this is a topical cosmetic serum. We are not claiming that applying NAD+ to your skin raises or restores NAD+ levels inside your body or skin cells.
A shallow glass dish with a small heap of fine white powder. It sits on a warm off-white surface in soft daylight.
Active 2

Copper Tripeptide-1

Also called GHK-Cu
This is the peptide in the formula.
And despite the long name, it’s pretty simple.

What is a peptide?

Peptides are tiny chains made from amino acids.
Amino acids are the small building blocks that make up proteins.
GHK-Cu is an especially small peptide made from just three amino acids:
  • G
    Glycine
  • H
    Histidine
  • K
    Lysine
Those three amino acids are attached to copper.
That’s where the Cu comes from.
GHK + Copper = GHK-Cu.
That’s it.

Why do skincare companies care about it?

GHK-Cu has been studied in cosmetic science since the 1970s.
That gives it something many trendy skincare ingredients don’t have:
A long history of scientific interest.
Copper peptides are now commonly discussed in skincare formulas made for the appearance and feel of aging skin.

Why is it in UNDEPLETED?

Because if we’re going to use a peptide, we wanted one with decades of scientific history behind its name.
And we wanted you to know exactly which peptide you’re getting.
No “peptide complex.”
No mystery blend.
Copper Tripeptide-1. GHK-Cu. Right on the label.
A shallow glass dish with a few millimetres of pale blue-green liquid in it, on a warm off-white surface.
Active 3

Hydrolyzed Collagen

Collagen — broken into smaller pieces.
You’ve probably seen collagen in hundreds of skincare products.
But there’s something important to understand.
Regular collagen is a very large protein.
Your skin is very good at keeping large things from passing through it.
So putting collagen on your face does not simply “put collagen back into your skin.”
That’s not how it works.

So what is hydrolyzed collagen?

Hydrolyzed simply means the collagen has been broken into much smaller pieces.
In a topical serum, these collagen fragments mainly work near the surface of the skin.
They help hold onto water.
That can help your skin feel:
  • Softer.
  • Smoother.
  • More hydrated.
  • Less dry or tight.

Why is it in UNDEPLETED?

Because a good serum shouldn’t only sound impressive on the label.
It should also feel good on your skin.
Hydrolyzed collagen helps give the serum a soft, comfortable feel without making it heavy or greasy.
A long flat smear of clear thick gel drawn across a warm off-white surface in low, slanting daylight.

Why These Three Together?

Three ingredients. Three simple jobs.
NAD+
A well-known molecule used here as a skin-conditioning ingredient.
GHK-Cu
A three-amino-acid copper peptide with decades of history in cosmetic science.
Hydrolyzed Collagen
Helps hold moisture at the skin’s surface so skin feels softer and smoother.
You don’t need 15 trendy ingredients packed into one bottle.
Sometimes simple is better.

No Proprietary Blend.

If it’s in the serum, you should know what it is.
You’ve probably seen labels that say things like:
  • “Age-Reversing Complex(TM)”
  • “Cell Renewal Matrix(TM)”
  • “Advanced Peptide Technology(TM)”
They sound impressive.
But what do they actually mean?
We would rather tell you the real ingredient names.
UNDEPLETED highlights three active ingredients:
  • Nicotinamide Adenine Dinucleotide (NAD+)
  • Copper Tripeptide-1 (GHK-Cu)
  • Hydrolyzed Collagen
No science-fiction names needed.
The UNDEPLETED serum bottle and carton on a pale ledge in daylight.
The serum bottle, dropper and carton seen from above on a plain surface.

Full Ingredient Declaration

The three active ingredients above are confirmed on the product packaging.
The complete cosmetic ingredient declaration should be displayed here once the manufacturer's complete INCI list is confirmed.
Choose your pack — 3 bottles $118, save 43%
What Should You Expect?

No fake 7-day transformation chart.

Every person’s skin is different.
So we’re not going to tell you that everyone gets the same result on Day 3, Day 14, or Day 30.
Here’s what we can tell you.

From Your First Use

The serum is:
  • Lightweight
  • Water-like
  • Fast absorbing
  • Easy to spread
  • Non-greasy
  • Non-sticky
  • Fragrance-free
It also layers easily underneath the rest of your skincare routine.

With Regular Use

The goal is simple:
Skin that feels hydrated, soft, and smooth and looks fresh, cared for, and healthy.
How much your skin’s appearance changes — and how quickly — can vary from person to person.
That’s skincare.
No fake countdown needed.
Try UNDEPLETED — from $35.00 a bottle
How to use

Simple Enough to Use Every Day

Three steps. About 30 seconds.
You don’t need a 10-step skincare routine.
  1. A glass dropper held above the back of a hand, releasing one clear drop of the serum.

    Cleanse

    Start with clean, dry skin.
    Use morning and night.
  2. An open palm resting on a warm off-white surface with a few clear drops of the serum in it.

    Apply

    Place a few drops onto your face and neck.
    A little goes a long way.
  3. Two fingers pressing the serum into the skin of a forearm.

    Smooth

    Gently spread or press the serum into your skin.
    Give it a moment to absorb.
    Then follow with your normal moisturizer.
    In the morning, finish with SPF.
That’s it.

Sensitive Skin?

If your skin reacts easily to new products, patch test first.
Apply a small amount to your inner forearm and wait 24 hours before using it on your face.
For external use only. Avoid direct contact with the eyes. Stop use if irritation occurs.

Made to Fit Into Your Routine

UNDEPLETED isn’t meant to turn skincare into another job.
A few drops.
Face and neck.
Morning and night.
About 30 seconds.
That’s the routine.
  • Fragrance-free
  • Lightweight
  • No greasy finish
  • No sticky feeling
  • Layers under moisturizer
  • Layers under SPF
  • One formula for men and women
One 30ml bottle lasts about two months with twice-daily use.
Hands rinsing at a sink before use.
A hand rubbing the serum into the arm.
The bottle, dropper and box seen from above.
A glass dropper putting a drop of serum on skin.
  • Example picture, not the reviewer
    “[…] It also layers really well under moisturizer.”
    Ashley M. · From the maker’s listing
  • Example picture, not the reviewer
    “[…] This serum absorbs fast and doesn’t leave my skin feeling sticky.”
    Daniel R. · From the maker’s listing
  • Example picture, not the reviewer
    “[…] It’s become one of those products I actually look forward to using.”
    Samantha K. · From the maker’s listing
These are example pictures, not the reviewers. Each quote is shortened. The […] shows where we cut it.
What Reviewers Said

15 reviews from the supplier’s product listing.

The reviews below came from the manufacturer’s listing for this formula.
They are not reviews from purchases made on UNDEPLETED.com, and we don’t label them as verified buyers.
We’d rather tell you exactly where they came from.

What Reviewers Talked About Most

Across the 15 supplier reviews:
10 of 15mention the texture, absorption, or how the serum feels.
7 of 15mention how simple it is to add to their routine.
3 of 15mention that it does not feel sticky, greasy, or heavily fragranced.
Categories overlap.
You can read every review yourself below.
Stand-in picture, not the reviewer
Ashley M.
From the maker’s listing
“I’ve been using the NAD+ Serum every morning and my skin feels noticeably smoother and more hydrated. It also layers really well under moisturizer.”
Stand-in picture, not the reviewer
Daniel R.
From the maker’s listing
“I wanted something simple I could add to my routine without five extra steps. This serum absorbs fast and doesn’t leave my skin feeling sticky.”
Stand-in picture, not the reviewer
Samantha K.
From the maker’s listing
“[…] my skin just looked healthier and more refreshed. It’s become one of those products I actually look forward to using.”
Stand-in picture, not the reviewer
Michael T.
From the maker’s listing
“I’m not normally a skincare person, but this was easy enough to stick with. A few drops in the morning and I’m done.”

Why UNDEPLETED?

What does it mean to feel UNDEPLETED?

To be undepleted is to move through life without constantly running yourself empty.
It’s taking care of what you have before it feels worn down.
Your skin. Your energy. Your time. Your sense of self.
It’s choosing simple rituals that help you feel restored, composed, and ready for what comes next.
For your skin, that means hydration, softness, and a fresh, healthy-looking appearance — without turning skincare into another thing you have to manage.
UNDEPLETED is more than the name of a serum.
It’s a way of taking care of yourself without overcomplicating it.
Stay full. Stay fresh. Stay UNDEPLETED.
The UNDEPLETED serum bottle on a pale stone shelf.UNDEPLETED + NAD
Skincare without the nonsense.

  • Three Actives, Clearly Named

    You know the ingredients you’re buying.

  • GHK-Cu Copper Peptide

    A peptide with decades of history in cosmetic science.

  • Lightweight

    No thick cream. No greasy film.

  • Fragrance-Free

    Nothing added just to make it smell fancy.

  • Fast Routine

    Face and neck in about 30 seconds.

  • No Subscription

    Buy it once. That’s it.

  • Straightforward Pricing

    Save more when you buy more.

  • Reviews Are Clearly Labeled

    We tell you where the reviews came from instead of pretending they came from customers of this store.
  • 30ml · About 60 days
  • Fragrance-free
  • Face and neck, morning + night
  • Three actives, clearly named
  • All skin types, including sensitive
  • One-time purchase. No subscription.
  • $35.00 a bottle when you buy 5
Questions

Frequently Asked Questions

What exactly is UNDEPLETED?
UNDEPLETED + NAD Renewal Serum is a lightweight topical serum for your face and neck.
It contains NAD+, Copper Tripeptide-1 (GHK-Cu), and Hydrolyzed Collagen.
It is made to help skin feel hydrated, soft, and smooth while supporting a smoother, firmer, more refreshed appearance.
It is a cosmetic product, not a medicine.
What is NAD+?
NAD+ stands for Nicotinamide Adenine Dinucleotide.
It’s a molecule naturally found in living cells and helps with many normal chemical reactions inside the body.
In this serum, NAD+ is used as a cosmetic skin-conditioning ingredient.
UNDEPLETED does not claim that applying NAD+ to your skin increases NAD+ levels inside your cells.
What is GHK-Cu?
GHK-Cu is also called Copper Tripeptide-1.
It is a tiny peptide made from three amino acids attached to copper.
Scientists first identified GHK in human blood plasma in the early 1970s, and it has been studied in cosmetic science for decades.
What is Hydrolyzed Collagen?
Hydrolyzed collagen is collagen that has been broken into smaller pieces.
When used on the skin, those fragments help hold water near the surface.
That can help skin feel softer, smoother, and more hydrated.
It does not replace the collagen already inside your skin.
How do I use it?
Use it morning and night on clean, dry skin.
Apply a few drops to your face and neck and gently smooth it in.
Let it absorb before applying your moisturizer.
During the day, finish your routine with SPF.
How long does one bottle last?
One 30ml bottle lasts approximately 60 days when used twice daily as directed.
How long yours lasts can vary depending on how much you use each time.
Can I use it if I have sensitive skin?
The formula has no added fragrance and is intended for all skin types, including sensitive skin.
However, any skincare product can cause irritation for some people.
If your skin is sensitive or reactive, patch test first.
Can I use it with my other skincare products?
Yes.
Because UNDEPLETED is a lightweight serum, it can be used before heavier products like moisturizer.
In the morning, apply SPF as the last step in your skincare routine.
If you use strong acids, retinoids, or other products that tend to irritate your skin, introduce new products slowly.
Is it for men or women?
Both.
Skin is skin.
There is no separate men’s version or women’s version.
How long does it keep?
The product information provided for the serum lists a shelf life of up to 3 years unopened and approximately 24 months after opening when stored properly.
Is this a subscription?
No.
Every order is a one-time purchase.
There is no membership, auto-refill, or recurring charge.
How long does shipping take?
Available shipping methods and the estimated delivery window for your address are shown during checkout before you place your order.
Orders ship directly from the facility fulfilling the product.
What if I want to return it?
We want the return process to be simple.
Return eligibility, instructions, and refund details are listed in our Returns & Refunds Policy.
You can review those terms before purchasing.
How do I contact someone?
Need help with an order or have a question about the product?
Use the Contact page and our support team will help you.
Returns

What if I want to return it?

We want the return process to be simple.
Returns
& Refunds
Policy
Return eligibility, instructions, and refund details are listed in our Returns & Refunds Policy. You can review those terms before purchasing.
One-time purchase. No subscription. No automatic refill. Nothing to cancel.
Two open hands holding the UNDEPLETED box and bottle, seen from above on a linen cloth.

Ready to Keep Skincare Simple?

Three actives. One serum. About 30 seconds.
  • NAD+
  • Copper Tripeptide-1 (GHK-Cu)
  • Hydrolyzed Collagen
Made for skin that you want to look and feel:
Smoother.
Softer.
More hydrated.
More refreshed.
No complicated routine.
No subscription.
No mystery blend.
Choose Your Pack
The crossed-out price is our own 1-bottle price times the number of bottles.
8 photos of people holding and using the UNDEPLETED serum bottle at home.
1 bottle — $493 bottles — $1185 bottles — $175
Save up to 49%
About the photos above: they show people holding and using the product. No one in them is a customer of this store. No one in them is saying anything about their skin. We have not shipped an order yet.