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Overnight Formula

Leave-on night layer

4.9 / 5 Rating

Verified reviews

Copper peptide overnight mask

GHK-Cu, but make it overnight. This is the mask version.

An overnight mask should do more than sit on top like a heavy cream. This formula leads with 1.2% pure GHK-Cu, then wraps it with multi-peptide support, 4 types of hyaluronic acid, Ceramide NP, squalane and comfort ingredients so the final night step feels plush, glossy and considered.

Hero active 1.2% GHK-Cu The copper peptide hero, built into a leave-on overnight mask.
Overnight format Leave-on mask Designed as the final step, 1-4 nights a week.
Hydration stack 4 types of HA Cushiony hydration for skin that looks plumper by morning.
Barrier-feel support Ceramide NP Comfort ingredients for a glossy, nurtured night routine.

Four overnight lanes. One GHK-Cu mask.

1.2%
Pure GHK-Cu overnight care 1.2% pure Copper Tripeptide-1 with multi-peptide, hydration and barrier-feel support for a more cushioned-looking finish.
01 copper peptide core GHK-Cu for overnight bounce The hero peptide gives the mask its copper peptide identity and premium night-routine story.
02 smoothing support Palmitoyl Tripeptide-1 A signal-peptide support lane for skin that looks smoother, softer and more resilient.
03 comfort support Palmitoyl Tetrapeptide-7 Complements the mask with a calmer-looking, smoother-looking skin story.
04 daily wear support HA, ceramide + squalane The support stack helps the mask feel cushiony, glossy and comfortable overnight.

Not a basic overnight mask

Not all GHK-Cu masks are built the same.

The 1.2% gets attention. The overnight system is what makes it wearable.

Helloskin pairs 1.2% pure GHK-Cu with signal peptides, humectants, ceramide, squalane and comfort ingredients so the mask feels like a complete overnight step, not a heavy cream with a peptide name.

Overnight system visual 1.2% pure GHK-Cu
Helloskin Leave-on system
Surface Stratum corneum
Visible layers Epidermis
Firmness zone Dermis

Built to stay. A leave-on mask works harder when the formula is cushioned with hydration, peptides and barrier-feel support.

Basic masks Heavy finish
Surface Stratum corneum
Visible layers Epidermis
Firmness zone Dermis

A heavy night layer is not the story. A mask needs comfort, cushion and a reason to stay in the routine.

01 copper peptide core 1.2% pure GHK-Cu.

The copper peptide hero for skin that looks smoother, bouncier and more refreshed by morning.

02 peptide support PT-1 + PT-7.

Signal-peptide support rounds out the GHK-Cu story so it feels more complete than a single active.

03 cushion support 4 types of HA.

A multi-hyaluronic acid system gives the mask that plush, juicy overnight skin feel.

04 barrier-feel support Ceramide NP + squalane.

Skin-conditioning ingredients help the final night step feel soft, sealed and comfortable.

Helloskin 1.2% GHK-Cu + overnight support.

Built as a complete leave-on mask system.

Basic overnight masks Often hydration only.

Nice texture, but less of a copper peptide story.

Heavy night creams Can feel too rich.

A mask only works if it feels good enough to use again.

AI INGREDIENT SCAN

What AI notices about this GHK-Cu overnight mask

A saved ChatGPT-style formula scan of the 1.2% GHK-Cu leave-on mask structure, peptide support, hydration system and overnight routine fit.

1.2% GHK-Cu4 HA typesCeramide NPGlow support
Watch the AI Scan
Formula Strength 9.6/10

Saved ChatGPT formula review based on INCI structure, confirmed 1.2% GHK-Cu and overnight mask logic.

1.2% GHK-CuMulti-peptide supportHydration + barrier

HELLOSKIN FORMULA AI

Replaying saved ChatGPT-style formula scan...
Scan this like a shopper comparing GHK-Cu overnight masks. Use the INCI list and confirmed 1.2% GHK-Cu.

Reading full INCI list

Detected 1.2% GHK-Cu

Detected 4 types of hyaluronic acid

Mapping glow + barrier support

Generating overnight mask score

This reads like a very strong leave-on GHK-Cu mask because the 1.2% copper peptide is supported by signal peptides, four types of hyaluronic acid, Polyglutamic Acid, Ceramide NP, Squalane, Niacinamide, Panthenol, Alpha-Arbutin, Ascorbyl Glucoside, Beta-Glucan, Madecassoside and Centella for a complete overnight comfort, glow and firmer-looking skin story.
1

1.2% GHK-Cu

The hero story is clear: 1.2% GHK-Cu / Copper Tripeptide-1 in a leave-on overnight format, giving the mask a serious copper peptide positioning.

2

Multi-peptide support

Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 support the GHK-Cu story with smoother-looking and firmer-looking skin benefits.

3

Hydration + barrier

Four types of hyaluronic acid, Polyglutamic Acid, Ceramide NP and Squalane make the mask feel more complete than a basic gel mask.

4

Glow support

Niacinamide, Alpha-Arbutin, Ascorbyl Glucoside, Tocopherol and Phytic Acid give the formula a broader glow and more even-looking tone story.

Saved ChatGPT-style formula analysis based on the ingredient and formula information shown on this page. Not a medical review, medical advice or live third-party endorsement.

1.2% GHK-Cu overnight mask

Copper peptides. Overnight cushioning.

This is the part that separates the mask from a standard overnight moisturiser: a 1.2% pure GHK-Cu anchor, two supporting peptides, 4 types of hyaluronic acid, Ceramide NP, squalane and comfort ingredients for a glossy night routine.

1.2% Pure GHK-Cu With Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, 4 types of HA and Ceramide NP.
1.2% Copper peptide anchor

GHK-Cu for overnight bounce.

The hero copper peptide in the mask, chosen for skin that looks smoother, firmer and more refreshed by morning.

PT-1 Signal peptide support

Palmitoyl Tripeptide-1 for smoother-looking texture.

A supporting peptide that gives the mask a broader skin-smoothing story than copper peptide alone.

PT-7 Comfort peptide support

Palmitoyl Tetrapeptide-7 rounds out the system.

A complementary peptide for a calmer-looking, well-conditioned finish that still feels wearable overnight.

More than a blue mask.

The 1.2% GHK-Cu gets attention, but the supporting ingredients are what make it a proper overnight mask: hydration, cushion, glow and barrier-feel support around the active.

4 types of HA Hydration support for a plumper, more cushiony skin feel.
Ceramide NP Barrier-feel support for a softer, more comfortable overnight finish.
Squalane Skin-conditioning support so the mask feels plush, not watery.
Niacinamide + panthenol Comfort and tone-support ingredients for a balanced night routine.
View full INCI list +

Water, Propanediol, Glycerin, Butylene Glycol, Niacinamide, Panthenol, Copper Tripeptide-1, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Alpha-Arbutin, Ascorbyl Glucoside, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Acetylated Hyaluronate, Polyglutamic Acid, Beta-Glucan, Ceramide NP, Squalane, Tocopherol, Madecassoside, Centella Asiatica Extract, Asiaticoside, Portulaca Oleracea Extract, Adenosine, Pullulan, Sclerotium Gum, Algin, Chondrus Crispus Extract, Ethoxydiglycol, Phytic Acid, Arginine, Carbomer, Xanthan Gum, 1,2-Hexanediol, Pentylene Glycol, Hydroxyacetophenone, Tetrasodium Glutamate Diacetate, Ethylhexylglycerin.

CUSTOMER NOTES

What our customers say.

4.9 · verified reviews
3 weeks ago

“This feels like the night mask I reach for when my skin looks flat. By morning it looks smoother, softer and more cushioned without feeling heavy.”

Rachel D. · Dry-feeling skin
✔ Verified Overnight Glow
Night Mask Convert
1 month ago

“The texture is glossy but not sticky. I use it a few nights a week and my skin looks fresher and more even the next morning.”

Chloe M. · Combination
✔ Verified Texture
Texture Support
2 weeks ago

“I layer this over the GHK-Cu serum three nights a week. It gives my routine that soft, sealed-in feeling and my skin looks more rested.”

Tanya H. · Sensitive-feeling skin
✔ Verified Comfort
Layering Convert
1 week ago

“I wake up glowing every morning I use this. My skin looks like I've had 10 hours of sleep even when I've had six. The subtle blue tint rinses off completely — no staining.”

Emma F. · Normal
✔ Verified Glow & Radiance
Morning Glow

Your overnight mask ritual

Layer it last. Then sleep in it.

Use the GHK-Cu mask as your final night step 1-4 times a week. Apply a thin, even layer after serum, let it settle, then leave it on while you sleep.

Serums first. Mask last.

GHK-Cu mask Clean skin Leave on

The idea is simple. Apply your serums first, smooth on a thin mask layer, then let the overnight formula do its thing while you sleep.

01

Start clean.

Cleanse first, then apply any watery toner, essence or serum you use before your final moisturising step.

02

Apply a thin layer.

Smooth a light layer of the mask over the face and neck. Keep it comfortable, not thick or sticky.

03

Let it settle.

Give the mask a moment to sit down on the skin before bed so it feels clean, cushiony and comfortable.

04

Wake and rinse if needed.

Use 1-4 nights per week. In the morning, rinse if you want a fresher feel, then follow with your normal moisturiser and SPF.

Night only Use as a leave-on mask in the evening, 1-4 times per week.

Layering Apply after your serum step and before bed. Keep strong exfoliants separate if your skin prefers a simpler routine.

Texture The blue tint is normal for a copper peptide mask.

Consistency Overnight masks work best when they feel easy enough to repeat.

CURATED ROUTINE

The Overnight Copper Ritual

Cleanse, layer, sleep. Three steps for skin that looks glossy, cushioned and rested by morning.

+
STEP 01 🫧
The clean slate Helloskin Glow Cleanser

pH-balanced, glycerin + aloe base. Double cleanse at night to maximise overnight mask absorption without residue blocking peptide delivery.

$28.00
+
STEP 03
The daytime booster GHK-Cu Peptide Serum

Layer underneath the mask at night for a stronger copper peptide routine - or use alone in your AM routine for firmer-looking skin support.

$89.00

BUNDLE PRICE

$196.00$216.00
SAVE $20.00+ FREE SHIPPING

or 4 × $49.00 with Afterpay

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EIGHT HOURS. WHILE YOU SLEEP.

Ready to wake up glossy?

1.2% pure GHK-Cu with signal peptides, Alpha-Arbutin, four forms of hyaluronic acid and Ceramide NP. A cushiony overnight mask for skin that looks smoother, firmer and more rested.

360 of 500 remaining

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