Best Value All Three Morning · Daytime · Evening

The Complete System

The Complete CKYN Protocol

All three GHK-Cu formulas in one system. Morning prepares, daytime defends, nighttime renews, for skin that looks hydrated, smoother, and visibly firmer over time.

★★★★★ 5.0 · 6 verified reviews
$399 Complete three-step protocol
or 4 interest-free payments of $99.75 with Klarna
  • GHK-Cu Perfecting Lotion — morning hydration and priming (30 ml)
  • GHK-Cu Tallow Balm — daytime nourishment and defense (56 g)
  • GHK-Cu Firming Serum — overnight recovery and firming (59 ml)
  • GHK-Cu delivered three times a day, where a single product delivers once
Made in the USA GHK-Cu core peptide Zero filler ingredients
As Featured In
Associated PressABCCBSNBCFox NewsYahoo FinanceBusiness InsiderBenzingaBarchartStreetInsiderInternational Business Times

Reviews

What customers notice after a few weeks on the protocol.

★★★★★

I've been using CKYN for about 2 months and the results are legit. My skin is firmer, brighter, and smoother. Forehead wrinkles are disappearing and dark under-eye circles are 100% gone. The deep moisturizing effect of the lotion and balm has been a game changer for me in the dry mountain climate of Colorado. This is one of those products that will become a staple in my routine for years to come. Results are incredible.

Jared E. · Verified Buyer · Dry skin · 8 weeks
★★★★★

Six weeks in. My skin actually holds moisture now, which after years of Colorado winters I'd sort of given up on. Cheeks are smoother. A friend asked what I was doing differently, which was nice. If I had to pick one I'd keep the tallow balm, but I'm using all three.

Emily E. · Verified Buyer · Dry skin · 6 weeks
★★★★★

My skin reacts to everything so I started with just the lotion for two weeks before adding anything else. No reaction. That alone is unusual for me. Around week 3 the redness had calmed down and my skin looked smooth and less irritated in general. I really like what I'm seeing.

Tracy H. · Verified Buyer · Sensitive skin · 6 weeks
★★★★★

I was using five things before this and I've cut down to these three, which honestly I thought would be a downgrade. It wasn't. By about week five my skin looked brighter and more even, mostly through the cheeks. The morning lotion absorbs fast and doesn't pill under makeup, which was my main worry going in because the last serum I tried was a disaster under foundation. Fewer products, better skin. I'll take it.

Heather K. · Verified Buyer · Combination skin · 5 weeks
★★★★★

The tallow balm is what got my attention. I've been trying to simplify my ingredients for a couple of years and usually you pick between a product that works and a product you feel good about. Somewhere around week seven I noticed my skin wasn't feeling tight by the afternoon anymore. Tone looks more even too.

Kali J. · Verified Buyer · Normal to dry skin · 7 weeks
★★★★★

Wife bought it. I used it. Face looks less tired and the forehead lines aren't as deep. Using it after I shave, and my skin looks clearer by the week. Reordered.

Chad M. · Verified Buyer · Normal skin · 8 weeks

Compound results a single product can't match.

Absorption has a ceiling

Your skin absorbs a finite level of actives per application. One product, at any concentration, can only deliver so much at once.

Three doses compound

Applying GHK-Cu and its complementary bioactives morning, daytime, and night delivers actives three times across the day, compounding what a single product cannot.

Every phase is covered

Morning prepares. Daytime defends. Nighttime renews. Together the three cover every phase of your skin's daily cycle.

Your skin runs on science.

GHK-Cu is a copper tripeptide found naturally in human plasma. Levels peak in your 20s and decline from there. Over forty years of published research make it one of the most studied compounds in cosmetic peptide science.

55.8%

reduction in the appearance of wrinkle volume in a randomized, double-blind trial over 8 weeks

Pickart et al., PMC 2018
70%

of volunteers showed visibly improved skin firmness, outperforming vitamin C and retinoic acid comparators

Pickart et al., multiple publications
32.8%

reduction in the visible appearance of wrinkle depth (double-blind, 8 weeks)

Published cosmetic science research
40+

years of published research since GHK-Cu was first identified in human plasma in 1973

Discovered by Dr. Loren Pickart

All figures from published, peer-reviewed cosmetic science research. These statements refer to the ingredient GHK-Cu as studied in published literature and are not claims about CKYN products specifically. Individual results vary.

What goes into every bottle. And what stays out.

40+ Years of Research

GHK-Cu has been studied in peer-reviewed cosmetic science since 1973. This is not a trending ingredient.

Intentional Ingredients

No filler ingredients, no added fragrance, no label padding. Every ingredient earns its place, backed by published research.

Cruelty-Free

No animal testing at any stage of development or production.

Made in the USA

Formulated and manufactured domestically.

Clinical-Grade Concentrations

GHK-Cu at levels designed to produce visible change. Not trace amounts added for label claims.

Biocompatible by Design

Grass-fed tallow mirrors your skin's own lipid structure. GHK-Cu is a peptide your body already recognizes.

Before you decide.

Do I need all three products?

Each product works on its own. The protocol works better. The Morning Perfecting Lotion handles hydration and protection. The Daytime Tallow Balm addresses barrier nourishment whenever skin feels dry or stressed. The Evening Firming Serum supports overnight renewal and visible firming. Your skin absorbs what it can in each application, so three doses a day compounds what a single product cannot.

Is the system cheaper than buying the products separately?

The system is $399, the combined price of all three products. It is designed as the complete protocol in one purchase and one shipment, and Subscribe & Save takes 15% off the whole system.

When will I see results?

Most people notice a hydration and texture difference within the first two weeks. Visible improvements in firmness and fine lines typically appear between weeks four and eight with consistent use. The full protocol accelerates this timeline compared to using a single product.

Can I subscribe?

Yes. Subscribe & Save applies to the complete system at 15% off, so your protocol replenishes automatically and you never interrupt your results by running out.

Is this for men and women?

Yes. Skin biology works the same way regardless of gender. There are no gendered fragrance profiles or unnecessary additives.

Start the complete protocol.

Morning, daytime, and night in one system. GHK-Cu delivered three times a day, the way the protocol is designed to work.

$399
4 interest-free payments of $99.75 with Klarna · Subscribe & save 15%
Buy the System
Shop the Protocol