SkinCeuticals is a beauty brand that doesn’t do things by halves, so when it introduced its fine line-targeting P-TIOX Peptide Serum, skincare enthusiasts took notice.
True to form, SkinCeuticals is meticulous about its advanced skincare solutions, ensuring they’re not only powerfully effective but also backed by science – qualities that have helped make it the world’s number one* medical aesthetic skincare brand, with research and innovation at its core.
In addition to being formulated for incredible results at home, the range is also designed to be used by doctors and dermatologist pre, during and post in-clinic procedures to yield dramatic skin improvement.
Why You Need Peptides
In a world where “ageing gracefully” has taken on new meaning, we’re now in the privileged position of choosing skin care based on our needs rather than what we’re told we need. The SkinCeuticals P-TIOX Peptide Serum arrives as something rather different: intelligent, luxury skincare that enhances and celebrates your skin’s story by adding daily defence against fine lines into your skincare routine.
Designed with the precision of a skincare specialist, this serum marries advanced peptide technology with gentle exfoliation and support for collagen and elastin production. The result? Expression lines—forehead creases, laugh lines, crow’s feet are all visibly reduced, without completely erasing your face’s character.
Scientists behind the brand describe it as a powerful skincare tool that ‘visibly reduces nine types of contraction lines by up to 20%** thanks to a refined formulation: peptides that reduce the appearance of lines, polyhydroxy acids (PHAs) that gently refine texture, and niacinamide that brightens and supports supports collagen and elastin production. This isn’t surface-level cosmetics; it’s scientifically proven luxury.

SkinCeuticals P-TIOX Peptide Serum 30mL, $216
What Makes This Serum Different
P-TIOX Peptide Serum feels feather-light yet reassuringly potent and the initial payoff? Visible glow, smoother texture and the gentle radiance of someone “on top of their skincare game’. After a few weeks, you may notice expression lines softening, pores appearing more refined and your overall complexion feeling more polished. Some users even report the coveted glass skin effect, which is no mean feat.
There are serums, and then there’s this serum: a premium solution that bridges aesthetic efficacy with modern luxury skin care, aligning with the ethos of thoughtful and considered skin treatments.
Skin-Plumping Ingredients
This peptide serum formula is amplified with potent ingredients including 5% PHA, 5% niacinamide and laminaria extract (a seaweed derivative) to visibly improve skin texture and radiance within one week**, maximising visible anti-ageing results. It leaves skin feeling plump and smooth, thanks to peptides and skin-benefiting ingredients like hyaluronic acid and glycerin.
Dermatologist Cara McDonald has been recommending P-TIOX Peptide Serum for patients who she thinks could benefit from it’s potent potential.
“My patients have reported noticeable improvements in skin firmness and texture within just a few weeks of use of P- TIOX. The serum’s lightweight formula absorbs quickly, and is suitable for all skin types, including sensitive skin.”

SkinCeuticals P-TIOX Peptide Serum 30mL, $216
How To Use The Serum
Use SkinCeuticals P-TIOX Peptide Serum twice daily, morning and evening. Apply 4-6 drops to your palm, then dab onto forehead, cheeks and chin before blending. In the morning, layer after an antioxidant serum (such as SkinCeuticals C E Ferulic) and before sunscreen. At night, apply after cleansing and toning, before moisturising.
Because it contains an exfoliant (PHA), consider how it fits with other active ingredients in your routine—such as strong retinoids or acids—to avoid over-exfoliation.
P- TIOX is available to buy at SkinCeuticals stores and retailers now.
For more information visit SkinCeuticals.