
Routines
Building an Under-Eye Routine From Scratch
The three-product core, where a patch belongs, what you can skip, and a four-week plan for starting an under-eye routine without overdoing it.
The pep patch team · September 20, 2026 · 5 min read
Journal
Copper peptides, under-eye care and morning routines — explained the way we'd explain them to a friend, without the marketing voice.

Routines
The three-product core, where a patch belongs, what you can skip, and a four-week plan for starting an under-eye routine without overdoing it.
The pep patch team · September 20, 2026 · 5 min read

Under-eye care
Do glasses cause dark circles? No — but frames cast shadows and press on skin. A routine built around the way you actually wear your glasses.
The pep patch team · September 18, 2026 · 4 min read

Copper peptides
Why a copper peptide percentage on its own tells you very little, what actually determines how a formula behaves, and what we disclose.
The pep patch team · September 17, 2026 · 5 min read

Routines
A calm, tested plan for wedding-morning under-eyes: what to do two weeks out, the night before, and the hour-by-hour timeline before photos.
The pep patch team · September 15, 2026 · 5 min read

How to
Heat, light and air are what ruin a gel patch. Fridge rules, why freezing is a bad idea, and how to read the date symbol on the pack.
The pep patch team · September 12, 2026 · 4 min read

Formulation
Why eye patches come in single sachets, what that packaging is doing, and an honest account of what we haven't solved yet.
The pep patch team · September 10, 2026 · 4 min read

Routines
A twenty-minute plan for the morning after four hours of sleep: cooling first, then hydration and light — plus what to skip when you're this tired.
The pep patch team · September 8, 2026 · 4 min read

Formulation
INCI order, the 1% line, and the function classes worth recognising — a fast, practical way to read any skincare label, using our own as the example.
The pep patch team · September 5, 2026 · 5 min read

Formulation
Patch or cream? The honest differences — occlusion, dwell time, dosing and cost per use — and why most people end up using both, differently.
The pep patch team · September 4, 2026 · 4 min read

Routines
Retinol and eye patches can share a routine — with a bit of scheduling. Morning vs night, what to watch for, and when to pause.
The pep patch team · September 1, 2026 · 4 min read

Under-eye care
The most-asked question in the category, answered by the people who stand to gain from a yes: what an eye patch genuinely changes, what it can't, and how to judge for yourself.
The pep patch team · August 29, 2026 · 5 min read

How to
Sliding patches, wasted essence, concealer that pills by 10am — the seven eye patch mistakes that come up in our inbox every week, and how to fix each one.
The pep patch team · August 27, 2026 · 4 min read

Under-eye care
Dark circles aren't one problem — they're pigment, blood vessels, shadow and texture wearing the same outfit. Here's how to tell them apart and what skincare can actually reach.
The pep patch team · August 25, 2026 · 6 min read

How to
Daily, twice a week, or only when it matters — how often to use eye patches, whether you can overdo it, and a cadence that matches the box you bought.
The pep patch team · August 22, 2026 · 4 min read

Routines
The under-eye doesn't care who you are. A straight answer on eye patches for men — what changes, what doesn't, and how it fits into a routine that takes no time at all.
The pep patch team · August 20, 2026 · 4 min read

Formulation
If your skin reacts to most things, here's how to read an eye patch label, how to patch test properly, and what we deliberately leave out of ours.
The pep patch team · August 17, 2026 · 5 min read

Routines
Cabin air is dry, travel days are long. Here's how to pack eye patches for a flight, when to use them, and how to land looking like you slept.
The pep patch team · August 11, 2026 · 4 min read

Formulation
Eye patches are mostly water held in a gel matrix. Here's what each part of the formula does, why preservation matters, and how to read the label.
The pep patch team · August 4, 2026 · 5 min read

Copper peptides
The internet says copper peptides and vitamin C cancel each other out. Here's where that advice came from, what formulators actually consider, and a simple approach.
The pep patch team · July 28, 2026 · 5 min read

Copper peptides
Copper peptides and caffeine do different jobs in an eye product. Here's what each is used for cosmetically, and how to use both without overthinking it.
The pep patch team · July 21, 2026 · 4 min read

Routines
A short, repeatable morning eye routine: the order, what to cut, and an event-day version for when it matters more.
The pep patch team · July 14, 2026 · 4 min read

Routines
Why concealer creases under the eyes, the wait window after a patch, and the product order that keeps makeup sitting flat all day.
The pep patch team · June 30, 2026 · 4 min read

Under-eye care
Why under-eye skin dries out faster, what humectants and occlusives actually do, and whether you need a separate eye product at all.
The pep patch team · June 16, 2026 · 5 min read

Under-eye care
What chilling an eye mask actually changes, how to store patches in the fridge without ruining them, and when room temperature is the better call.
The pep patch team · June 2, 2026 · 4 min read

Under-eye care
Why under-eye puffiness peaks the moment you wake, how it usually settles across the morning, and what actually speeds the look up.
The pep patch team · May 19, 2026 · 5 min read

Formulation
What 'fragrance' means on an ingredient list, the difference between fragrance-free and unscented, and why we formulated without it.
The pep patch team · May 5, 2026 · 5 min read

How to
Fifteen minutes is the standard for a reason. Here's what happens if you go longer, why sleeping in patches backfires, and how to tell when one is spent.
The pep patch team · April 21, 2026 · 4 min read

How to
Placement, timing, and where patches belong in your routine — plus the two mistakes that stop eye masks from staying put.
The pep patch team · April 7, 2026 · 4 min read

Copper peptides
What copper peptides are formulated to do around the eyes, what they can't reach, and where a fifteen-minute patch fits into a real routine.
The pep patch team · March 24, 2026 · 6 min read

Copper peptides
GHK-Cu is a copper-bound tripeptide used in skincare as a conditioning agent. Here's what it is, why it's blue, and what it does in an under-eye patch.
The pep patch team · March 10, 2026 · 5 min read