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LIORA Blog

Ingredient science, studies and protocols for biological dominance.

Evening routine with serum, cream and linen cloth – how to apply a peptide serum

RoutineAug 6, 20269 min read

How to use a peptide serum: order matters most

The best serum does nothing in the wrong step of a routine. Here is the order, in 60 seconds.

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3D render of a hexapeptide chain in copper gold – Acetyl Hexapeptide-8 (Argireline)

IngredientsAug 6, 20266 min read

Acetyl Hexapeptide-8: the INCI name behind Argireline

Acetyl Hexapeptide-8 appears on every second anti-aging INCI list. Here is what the molecule does — and what it cannot do.

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GHK-Cu serum in an amber glass bottle with dropper – tolerance and side effects

IngredientsAug 6, 20267 min read

GHK-Cu side effects: what can actually happen

Copper peptides are considered highly tolerable. There are still three situations where skin reacts — here they are.

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Retinol molecule versus GHK-Cu copper peptide in a direct anti-ageing comparison

ComparisonJul 20, 20267 min read

Copper peptides vs retinol: which active is better for anti-aging?

Retinol or copper peptides — which active is genuinely better for anti-aging? We compare GHK-Cu and retinol on efficacy, tolerance and results.

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3D visualisation of a GHK-Cu copper peptide chain – how copper peptides work on skin

IngredientsJul 20, 20268 min read

GHK-Cu benefits: what copper peptides really do to your skin

GHK-Cu (glycyl-L-histidyl-L-lysine copper) is the most powerful anti-aging peptide in modern dermatology. Here is how copper peptides stimulate collagen, regenerate cells and reprogram your skin's gene expression.

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Eye area after using a copper peptide serum

Buying guideMay 5, 20265 min read

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.

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3D visualisation of anti-aging peptides – overview of peptide classes

IngredientsApr 21, 20267 min read

Anti-aging peptides: the four classes and what they do

Not all peptides are the same. The four classes, their targets and the combinations that actually make sense.

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Skin close-up after 14 days of GHK-Cu use – copper peptide results

RoutineApr 7, 20265 min read

GHK-Cu results: what is realistic at 14, 30 and 90 days

A sober expectation timeline instead of before-and-after marketing: what copper peptides deliver, and when.

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3D render of an Argireline peptide chain – acetyl hexapeptide-8 in serum

IngredientsMar 24, 20266 min read

Argireline serum: what the peptide can and cannot do

Acetyl hexapeptide-8 is marketed as a botox alternative. A sober look at mechanism, dose and realistic results.

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Copper peptide serum in an amber glass bottle – how copper peptides work on skin

IngredientsMar 10, 20266 min read

Copper peptide benefits: what they actually trigger in skin

Copper peptides are the best tolerated anti-aging signal in dermatology. Here is what they trigger in the dermis — and on what timeline.

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