Description
Peptide and niacinamide serum from SkinCeuticals. A peptide serum inspired by the mechanism of neurotoxins to work on expression lines.
What it does
Expression lines appear because the muscle repeatedly folds the skin in the same place. The so-called “neurotoxin-mimicking” peptides—hexapeptide-8 and similar—imitate a fragment of the protein involved in releasing acetylcholine, and in theory soften that contraction at surface level.
It is worth saying clearly: this is not botulinum toxin, nor anything like it in potency. A peptide applied to the skin does not reach the motor end plate. What is documented is a modest cosmetic effect on the appearance of the line, not muscle relaxation.
PHA—polyhydroxy acid—is the gentlest family of exfoliating acids: a large molecule, slow penetration, very little irritation and humectant properties of its own. Here it adds texture and radiance without aggression.
SkinCeuticals reports, at 12 weeks, reductions of 20.6% in overall fine lines, 13% in forehead wrinkles, 16.4% in cheek folds and 10.2% in nasolabial folds.
Who it is for
Early expression lines and uneven texture, for anyone who wants a cosmetic route before considering toxin, or to maintain results between sessions. We can talk it over in consultation: they are different things and should not be confused.
Key ingredients
- Advanced peptide complex (hexapeptide-8 + dipeptide) — peptides aimed at the appearance of expression lines
- PHA (polyhydroxy acid) — a very gentle exfoliant: texture, renewal and radiance, with a humectant effect
- Niacinamide (vitamin B3) — soothes, strengthens the barrier and works on tone
- Laminaria extract — a brown seaweed: hydrates and soothes
Actives according to the manufacturer’s technical data sheet. The full ingredient list (INCI) is the one printed on the pack, and that is the one that counts: it may vary between batches and markets.
How to use it
Twice a day, 5-6 drops over the forehead, cheeks and chin. In the morning, after your vitamin C antioxidant serum and before sunscreen.
Size
30 ml.
Not sure whether it suits you? Ask us at your next consultation: the routine is adapted to your skin, not the other way round.
A study of your skin
Study your skin with this product in it. Eight questions and a study of your skin: we cross-check what you tell us against the ingredient list of every product and against the published evidence, and send you back the routine that suits your skin and your preferences, with this product in its step. If it is not right for you, we tell you and suggest an alternative.
Validated and supervised by a team of specialists in plastic, aesthetic and reconstructive surgery.




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