The One Natural Ingredient This Entire Kit Was Built Around
The one natural ingredient this entire kit was built around.
Not turmeric from your spice rack. A specific, lab-cultivated plant extract — with 150 days of independent data behind what it actually does.
4 minute read ↓
Most beard growth products list somewhere between fifteen and thirty ingredients on the back of the box — and couldn't tell you what most of them are actually for.
We built this the other way around. We started with a single active ingredient that had real, independently measured data behind it, and only then built the smallest possible routine to deliver it properly. Everything else in the system exists to help that one ingredient do its job.
That ingredient has a name.
Meet Capilia Longa™.
Capilia Longa™ is developed by Vytrus Biotech, a biotechnology lab outside Barcelona that grows plant tissue cultures rather than synthesising actives from scratch. It's derived from turmeric root — cultured, extracted and tested on-site, in small, controlled batches, instead of harvested industrially and stripped down synthetically.
It's included specifically to help reactivate the natural hair growth cycle in follicles that have gone dormant — not to condition hair that's already there, which is what most "growth" products on a drugstore shelf are actually built to do.
Dormant isn't the same as gone.
Beard density comes down to how many of your facial hair follicles are currently active versus dormant — shaped mostly by genetics, hormone sensitivity, and blood flow to the skin. Certain areas, often the cheeks, simply have fewer active follicles than the jaw and chin in most men, which is why patchiness tends to show up in the same places, over and over. It's normal. It isn't a verdict on anything.
Capilia Longa™ is formulated to help reactivate those dormant follicles. It's delivered through a leave-in serum, applied once every morning, and paired with two supporting actives: Biotin (Vitamin B7), which supports the keratin production your body needs to build hair fibre, and Arginine, an amino acid that helps support blood flow to the skin right at the follicle.
A daily micro-needling step helps the serum absorb more effectively into the skin — which is why this was always going to be a short routine, not a single bottle.
Why a grooming brand went looking for a biotech lab.
Copenhagen Grooming didn't start with an ingredient. It started with a frustration our founder, Simon, ran into back in 2015 — an online community of men trading tips at 1am, and a shelf full of beard oils and biotin gummies that helped with softness, or with hair health in general, but never with the specific, patchy areas people were actually asking about.
What he was looking for wasn't another product. It was a mechanism — something with an actual, measurable reason to work, instead of another bottle asking people to hope. That search eventually led to Vytrus Biotech, outside Barcelona.
Seeing the process in person — the cultures, the extraction, the testing, all done on-site in small batches — didn't change the ingredient. But it's part of why we felt comfortable building a brand around it, and why we commissioned an independent, 150-day laboratory study rather than simply taking our own word for it.
150 days. One independent laboratory. Here's what they measured.
Men using the routine built around Capilia Longa™ saw:
These are the same numbers published on Copenhagen Grooming's own site — not projections. Individual results vary, since genetics affect how many follicles are available to activate in the first place.
Not just one story.
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"Trust me, guys, I have been using this stuff for about 10 months now, and how much my beard comes in is ridiculous."
"The products contained within the kit are not only simple to use, but they are effective — specifically designed to activate the growth of facial hair in areas you currently can't grow hair."
We didn't want to just sell an ingredient. We built the right way to use it — and put it here.
Capilia Longa™ reaches the skin through The Beard Activator, the leave-in serum at the centre of this routine. It's paired with The Beard Roller, which creates the micro-channels that help it absorb more effectively, and a Roller Cleanser to keep things sanitary between uses.
Three steps. One mechanism. Sold together as The Beard Growth Kit — the same kit used in the 150-day study above.
Common questions.
Does it actually work?
In a 150-day study conducted by an independent laboratory, 94% of participants saw new facial hairs activate, with 55% seeing denser growth and 10% seeing improved thickness. Individual results vary, since genetics affect how many follicles are available to activate in the first place.
Is it too late for me to start?
There isn't really a perfect age. Facial hair growth keeps maturing well into your late 20s and even early-to-mid 30s for a lot of men, and dormant follicles don't come with an expiration date — they respond to stimulation whenever it starts.
Is it safe? Any side effects?
The products have no reported side effects or allergens and meet European safety standards.
Is this the real, original kit?
Copenhagen Grooming has flagged that counterfeit versions of this kit exist under similar names, without the actual active ingredients or the study behind them. Buying directly from Copenhagen Grooming is the only way to be sure you're getting the studied formula — and results from counterfeit products aren't covered under the brand's guarantee.
It's a reasonable time to find out what Capilia Longa™ can do for you.
A three-step system, backed by a 150-day independent study — not another oil, and not another promise with nothing behind it.
Get The Beard Growth Kit