Medik8 Peptides
Peptides are the firmness ingredient for people who cannot or will not use a retinoid, and the partner ingredient for people who do. Medik8 has put more into peptides than most brands, and Epios Skin stocks the whole of it as an authorised Australian stockist: Liquid Peptides and the twelve-peptide Liquid Peptides Advanced MP, Advanced Pro-Collagen + Peptide Cream and its refill, Eyelift Peptides for the eye area, and the three serums that pair a peptide with another active, Niacinamide Peptides, Bakuchiol Peptides and Oxy-R Peptides. Below is what each does and how to fit them into a routine.
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What peptides actually do
Peptides are short chains of amino acids that act as messengers. Signal peptides, the Matrixyl family, tell fibroblasts to make collagen and elastin. Neuro-peptides such as Argireline soften the muscle contractions behind expression lines. Carrier peptides deliver copper for repair. None of them exfoliate or irritate, which is why they suit every skin type and every stage of life, including pregnancy, and why they layer under or over almost anything.
The Medik8 peptide range
- The serums: Liquid Peptides, the original multi-peptide serum, and Liquid Peptides Advanced MP, the advanced tier with twelve peptides and growth-factor mini-proteins. Choose one, not both.
- The cream: Advanced Pro-Collagen + Peptide Cream, peptides with ceramides and an NAD+ boost; refill available.
- The eye: Eyelift Peptides, for puffiness and firmness.
- Peptides with a partner active: Niacinamide Peptides for pores and oil, Bakuchiol Peptides as the retinoid-free renewer, Oxy-R Peptides for pigmentation.
- Sets: Liquid Peptides Advanced MP + C-Tetra Advanced, Firm Favourites Pack and Luminous Lift Kit.
How to use peptides in a Medik8 routine
Morning and evening, after vitamin C or your retinoid and before moisturiser. Liquid Peptides over C-Tetra is the brand's signature morning; the same serum over Crystal Retinal at night helps the skin through the adjustment weeks. One peptide serum per routine is plenty; the cream and eye product add to it without overlap.
Medik8 peptide questions
Liquid Peptides or Liquid Peptides Advanced MP?
Advanced MP if firmness and lines are the main goal and the budget allows; the original if you want the texture and the price. They do the same job to different degrees.
Do peptides replace retinol?
No, they complement it. Retinoids remain the most evidenced ingredient for lines; peptides add to the result and are the better choice when a retinoid is not possible.
Are Medik8 peptides safe in pregnancy?
Yes, every product on this page is suitable, which is one reason the range is popular during that period.
Is Epios Skin an authorised Medik8 stockist?
Yes. Every Medik8 product we sell comes through the authorised Australian supply chain, so it is genuine, in date and stored correctly. Epios Skin is run by a doctor-led skin clinic in Sydney, and Medik8 is the range our clinical team reaches for most.
Brand quick facts
Founded
2009
Origin
London, United Kingdom
Key technology
CSA Philosophy · Crystal Retinal






















