Medik8
Liquid Peptides Advanced MP
Liquid Peptides Advanced MP
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A concentrated multi-peptide serum targeting the primary mechanisms of skin ageing simultaneously. Liquid Peptides combines six clinically validated peptides working across collagen synthesis, muscle relaxation, hydration, and barrier repair — making it one of the most comprehensive anti-ageing serums available without prescription. Lightweight and fast-absorbing, it layers seamlessly into any routine.
What it does:
- Reduces expression lines via muscle-relaxing peptides (a topical alternative to neurotoxin)
- Stimulates collagen and elastin production for firmer, more resilient skin
- Delivers deep hydration through hyaluronic acid and moisture-binding peptides
- Strengthens the skin barrier and reduces sensitivity
- Improves overall skin tone, luminosity, and smooth texture
Best for: All skin types concerned with fine lines, loss of firmness, and early signs of ageing. Particularly effective for patients who cannot tolerate retinoids or want an additional anti-ageing active alongside their retinoid. Excellent for the eye area, forehead lines, and neck.
How to use: Apply 2–3 drops to clean skin morning and/or evening before moisturiser. Can be mixed with other serums. Suitable for use around the eye area. Pairs well with Crystal Retinal in the PM and SPF in the AM.
Clinician's Note
Clinician's Note
This product has been personally reviewed and selected by our founder based on clinical evidence, ingredient efficacy, and real-world patient outcomes. If you're unsure whether this is right for your skin, start a free written skin assessment and we'll recommend the best option for you.
How to Use
How to Use
Apply as directed by the product packaging or your clinician's recommendation. For best results, use consistently as part of a complete skincare routine. Not sure about application order? Ask our clinician — it's free.
Shipping & Returns
Shipping & Returns
Dispatch: 1-2 working days
Delivery: 2-4 working days (Royal Mail tracked)
Free shipping on orders over £100
Returns: Unused, unopened products may be returned within 7 days with prior approval. Prescription items cannot be returned once dispensed.
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The three pillars of clinical skincare: vitamin C for morning protection, SPF to shield, and a retinoid to renew at night.


