What should you look for when buying a copper peptide serum?

The position of GHK-Cu in the INCI list, light-protected packaging, sensibly complementary peptides and the cost per day of use.

How long does one bottle last?

At two to three drops each evening, a bottle typically lasts around a month.

Should copper peptides be combined with acids?

Not in the same application. Use acids and high-dose vitamin C on other days or at another time of day.

Buying guideMay 5, 20265 min readBy Marco Buchegger

Buying a copper peptide serum: the seven criteria that matter

How to recognise an effective GHK-Cu serum — and where the shelf typically cuts corners.

Eye area after using a copper peptide serum

Copper peptide serums differ less in marketing than in four sober technical points. Know them and you can judge a product in thirty seconds.

The seven criteria

Comparing copper peptide serums: concentration, packaging and cost per day — When buying, concentration, light-proof packaging and cost per day decide.

GHK-Cu high up the INCI list rather than at the very end.
Complementary peptides instead of a single lonely active.
Light-protected, low-air packaging.
No high-dose acids in the same formula.
Traceable origin and production standard.
Tolerated by sensitive skin.
Cost per day rather than cost per bottle.

Why cost per day is the honest number

At two to three drops each evening a bottle lasts about a month. Only the daily cost makes different bottle sizes comparable.

How LIORA is built

LIORA serum applied in the evening with two drops on cleansed skin — 30 ml at 1 ml per day: one bottle covers exactly 30 days of use.

High-concentration GHK-Cu combined with SNAP-8 and multi-molecular hyaluronic acid, developed in Italy. Full details, pricing and shipping tiers on the product page: LIORA GHK-Cu Korean Gold Serum.

See the serum and pricing

Frequently asked questions

What should you look for when buying a copper peptide serum?: The position of GHK-Cu in the INCI list, light-protected packaging, sensibly complementary peptides and the cost per day of use.
How long does one bottle last?: At two to three drops each evening, a bottle typically lasts around a month.
Should copper peptides be combined with acids?: Not in the same application. Use acids and high-dose vitamin C on other days or at another time of day.

Topics

Copper peptide serum
Buy GHK-Cu
Buying guide

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EDNF25070922 combines GHK-Cu, bio microneedling, the 5-peptide complex and 24K gold in a single serum.

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