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Primaderm signature active · Second-generation expression-line peptide

Munapsys™

The peptide that gives Acetyl Hexapeptide-8 a partner.

Primaderm never uses Munapsys™ alone. Paired with Acetyl Hexapeptide-8, the two expression-line peptides smooth the look of lines faster than either one on its own.

Expression linesFast-actingWorks with Acetyl Hexapeptide-8Smoother skin
Light Xpert Expression cream texture on a lilac background

In one minute

What it is

A six-amino-acid peptide, the "second generation" of expression-line peptides. Primaderm pairs it with Acetyl Hexapeptide-8 in every Xpert Expression product.

What it does

It complements Acetyl Hexapeptide-8, so the two peptides together make expression lines look softer, sooner.

Why it matters

Because the two actives work as a pair, the first visible change comes earlier, from around day 7, and the combination shows more than each alone.

3D illustration of a nerve ending above a muscle fibre
Two peptides, one goal: expression lines that look softer.

The idea, simply

Two hands are better than one.

Think of smoothing a creased cloth. One hand can do it; two hands working together do it faster and more evenly. Acetyl Hexapeptide-8 is the first hand. Munapsys™ is the second.

Your face still moves naturally. The skin simply looks less creased after each expression, and the change shows in weeks rather than months.

Two peptides, one softer expression line.

NERVE MUSCLE Munapsys™less messenger sent brake 1 Munapsys™ +Acetyl Hexapeptide-8less signal received brake 2 + 3 The message still arrives, just more softly. First change from day 7 · maximum effect by day 14

A little science, made simple

Why Primaderm always uses the two peptides together.

In Primaderm's volunteer study, the look of wrinkle depth changed quickly with the paired approach.

Day 7First measurable softening of wrinkle depth
Day 14Maximum wrinkle depth down by up to a quarter
Best respondersClose to −40% wrinkle depth

What the studies show

Fast, and stronger in company.

−25%
Max. wrinkle depth
after 14 days at 3%
−40%
In best responders
same study, 14 days
2
Peptides working as a pair
in every Xpert Expression product

Ingredient studies as reported in Primaderm's technical documentation (in vivo and in vitro); not tests of the finished product. Cosmetic effect on the look and feel of the skin; individual results vary.

Who it's for

If you want a visible change in weeks, not months.

  • First expression lines around the eyes and forehead
  • People who have tried single-peptide products and want more
  • Skin preparing for an event, with two to four weeks to go
  • Anyone who prefers a gradual, everyday skincare approach
Light Xpert Expression cream texture
primaderm Ingredient Library · Choose Once. Choose Better. · All 18 signature actives
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