I Almost Became My Own Science Experiment: A Founder's View on Injectable Peptides

There is something incredibly seductive about the promise of better skin, thicker hair, faster recovery, more energy - especially when the promise comes with the words peptide, longevity or optimization attached to it.

I know because I was pulled in too.

Like most of us, I had been seeing peptides everywhere. Instagram. Podcasts. Influencers. Wellness accounts. Before-and-after photos. People talking about compounds with the kind of certainty normally reserved for things that have been established for decades.

The message was compelling: why wait months for incremental improvement when there might be something faster?

And GHK-Cu kept coming up.

I was fascinated by it.

I read about copper peptides and their relationship with skin. I saw people talking about injectable GHK-Cu for skin quality, hair growth, recovery and longevity. And after seeing enough of it, the idea stopped sounding particularly unusual.

That, in hindsight, is probably the part that interests me most.

Something can go from I have never heard of this to maybe I should inject this into my body remarkably quickly when you are exposed to it often enough.

At one point, a friend was using injectable GHK-Cu.

I tried it once.

Almost immediately afterward, I became nervous.

Not because anything dramatic happened. It was the opposite. I simply started asking myself questions that, frankly, I should have asked before the needle ever touched my skin.

What was actually in this?

Where had it come from?

Who had made it?

What quality controls had it gone through?

And why was I comfortable injecting something labelled “for research purposes only” because people on social media were telling me about its potential benefits?

Once those questions started, I couldn’t really turn them off.

The appeal of the fast answer

I understand exactly why these products are appealing.

We all want the faster answer.

We want the thing that might help our skin look better without waiting six months. We want our hair back. We want more energy. We want to feel younger, stronger and more like ourselves.

For me, the hair part is particularly personal.

I am a breast cancer survivor. I have already lost my hair once. I know firsthand that wanting to look your best is not necessarily superficial. Sometimes looking like yourself is deeply connected to feeling like yourself.

Cancer also changed my relationship with my body.

There are medications. Supplements. Tests. Protocols. Medical menopause. Appointments. Side effects. Decisions about risks and benefits.

Sometimes I joke that I am already a human pharmacy.

But after that first GHK-Cu injection, that thought suddenly felt less funny.

I remember thinking:

Hasn’t my body had enough?

And then:

What if this isn’t safe?

Not, What if somebody online says it is safe?

Not, What if thousands of people are doing it?

What if I genuinely do not know?

That distinction mattered.

When repetition starts to feel like evidence

One of the strange things about modern wellness marketing is how quickly repetition can create credibility.

You see one person discussing a peptide.

Then another.

Then a physician on a podcast mentions it.

Then an influencer posts a protocol.

Then there is a Reddit thread.

Then someone you know starts taking it.

Eventually, something experimental can begin to feel almost ordinary.

But familiarity and evidence are not the same thing.

That realization made me uncomfortable, because I like to think of myself as someone who asks questions.

And yet I had still been influenced.

That was probably the most useful lesson in the entire experience.

Marketing does not stop working on you because you understand marketing.

So I went back to the research

I stopped treating social media as my primary source of information.

I started reading more.

And instead of asking, How quickly can I get the biggest possible effect?, I began asking a different question:

What approach am I actually comfortable putting into - or onto - my body consistently?

GHK itself still fascinated me.

Walking away from the injection did not suddenly make the underlying science less interesting to me. In fact, it probably made me more interested.

What changed was my threshold for risk.

I decided I owed it to myself, my body and my health not to become my own science experiment.

That did not mean I needed to abandon GHK-Cu altogether.

It meant finding a way of using it that made sense for me.

And that eventually brought me back to skincare.

The compromise that became koppā

The more I learned about topical copper peptides and the published work surrounding GHK-Cu, the more interested I became in what could be achieved through a thoughtfully formulated topical routine. That meant building formulas entirely free of silicones so the active peptide complexes, like GHK-Cu and acetyl hexapeptide-8, could actually penetrate the skin. It meant using squalane and botanical oils to support the barrier rather than just sitting on top of it.

No injections.

No elaborate biohacking protocol.

No drawer full of compounds.

Just a small number of products that I could use consistently.

That idea felt much closer to the way I wanted to take care of myself.

And ultimately, it became one of the ideas behind koppā.

I did not want to build another skincare brand around the promise of transformation overnight.

I wanted to build around something almost less exciting - but, to me, much more credible:

supporting your skin consistently over time.

That is also why I have become increasingly skeptical of the language of miracles.

Miracle hair growth.

Miracle anti-aging.

Miracle peptides.

Miracle injections.

Human biology rarely seems to work that way.

This isn't a judgment

I want to be very clear about something.

This is not an article telling other people what they should or should not inject.

People make different decisions about their bodies. Some work with medical professionals and reach conclusions that are different from mine.

That is not the point.

The point is how easily our perception of risk can change when something is marketed aggressively enough.

I experienced that myself.

I went from curiosity, to familiarity, to actually trying an injectable product before stopping and asking some fairly basic questions.

That was uncomfortable to admit.

But it also shaped how I think about koppā.

I do not think good skincare should require you to suspend your skepticism.

I do not think the answer to wanting better skin has to be the most extreme intervention available.

And I no longer think “faster” automatically means “better.”

For me, the more interesting question became:

What can I do for my skin that I am comfortable doing every day, for years?

That is a very different mindset from chasing the next miracle.

And it is ultimately the one that led me here.

Chantelle, co-founder, koppā