Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
Liquid Peptides™
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Liquid Peptides™

  • Smooth
  • |
  • Firm
  • |
  • Plump
30% Complex Multi-Peptide Age Defying Serum ft. Copper Peptides

Peptide serum clinically proven to visibly smooth fine lines in just 7 days.*

Liquid Peptides™ is a targeted daily peptide serum for the first signs of aging. Expertly formulated with 10 powerful peptides in a 30% blend, to help slow & prevent fine line formation. 

This supercharged peptide serum supports the skin's natural age-defying functions and features drone-targeted technology to deliver our unique blend of potent peptides where they’re needed most in the skin - for maximum visible benefits.

A targeted facial peptide treatment designed to visibly smooth fine lines and boost hydration.
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Crystal Retinal
Crystal Retinal
  • Renew
  • |
  • Firm
  • |
  • Smooth
 Retinal Age Defying Night Serum
Select a 1 TUBE (1.0 FL. OZ.)
Key Benefits
All-in-One Youth-Boosting Effect

Fine lines are visibly reduced as the lightweight peptide serum plumps, firms, and refines the look of uneven skin texture, providing anti-wrinkle benefits for a smoother, more youthful facial complexion.

Peptide Power Where Your Skin Needs It Most

Innovative, drone-targeted technology ensures each powerful peptide is delivered where it’s needed most - for maximum visible results.

Effective Hydration

Proven to leave the skin feeling deeply hydrated as well as visibly soft and supple.

Age-Defying Results Booster

Perfectly complements the visible age-defying results of Medik8’s proven CSA Philosophy; vitamin C plus sunscreen by day, vitamin A by night.

Proven Results
BEFORE
AFTER 1 WEEK
BEFORE
AFTER 1 WEEK
7 days to improved skin firmness & plumpness*
7 days to visible fine line & wrinkle reduction*
7 days to younger-looking skin*
98% agree Liquid Peptides is gentle on the skin*
97% experienced long-lasting hydration*
*Proven via independent consumer study on Liquid Peptides on 60 participants over 8 weeks
How to Use

If you're new to Liquid Peptides, we recommend a patch test at least 24 hours before first use. Learn how to patch test here.

After cleansing in the morning and evening, massage 6 drops of Liquid Peptides serum across the face, neck and décolletage. Leave to absorb before applying moisturizer.

Uses per bottle

80
Guide to Layering
Step 1: Cleanse
Surface Radiance Cleanse
Morning
Evening
Surface Radiance Cleanse
Full Size (5.0 FL. OZ. (150 mL))
Step 2: Brighten
C-Tetra™ Advanced Gel-Serum
Morning
C-Tetra™ Advanced Gel-Serum
1.0 FL. OZ (30 mL)
Step 3: Target
Liquid Peptides™
Morning
Evening
Liquid Peptides™
(0)
Step 4: Renew
Crystal Retinal
Evening
Crystal Retinal
Select a 1 TUBE (1.0 FL. OZ.)
Step 5: Moisturize
Advanced Night Ceramide
Evening
Advanced Night Ceramide
Full Size (0)
Key Ingredients
Matrixyl® 3000

A combination of peptides which help to improve the look of skin firmness while minimizing the appearance of fine lines and wrinkles.

Drone-Targeted Copper Peptide

A peptide with targeted action technology, to ensure it's delivered where it's needed most for maximum visible effect.

Expression Line Peptide

Helps to smooth the appearance of temporary expression lines while working to prevent the formation of permanent lines.

Carnosine

A peptide that is naturally produced in the body, carnosine helps to prevent the formation of visible wrinkles.

Expression Line Peptide

Helps to smooth the appearance of temporary expression lines while working to prevent the formation of permanent lines.

Carnosine

A peptide that is naturally produced in the body, carnosine helps to prevent the formation of visible wrinkles.

Multi-Weight Hyaluronic Acid

With a unique ability to attract and retain more than 1,000 times its own weight in water, hyaluronic acid draws moisture into the skin. This leaves the complexion visibly nourished and supple.

Full List of Ingredients
Liquid Peptides™
30% Complex Multi-Peptide Age Defying Serum ft. Copper Peptides

Aqua (Water), Glycerin, Butylene Glycol, Phenoxyethanol, Carnosine, Inulin, Alpha-Glucan Oligosaccharide, Sodium Hyaluronate, Acetyl Hexapeptide-8, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-38, Palmitoyl Pentapeptide-4, Tetrapeptide-21, Pentapeptide-18, Acetyl Tetrapeptide-5, Copper Palmitoyl Heptapeptide-14, Palmitoyl sh-Hexapeptide-13 Serine SP Amide, Sodium Lactate, Hydroxypropyl Cyclodextrin, Carbomer, Xanthan Gum, Ethylhexylglycerin, Caprylyl Glycol, Polysorbate 20, PPG-13-Decyltetradeceth-24, Lactic Acid/Glycolic Acid Copolymer, Polyvinyl Alcohol, Glyceryl Caprylate, Phenylpropanol, Citric Acid.

*Although we try our best to ensure this list of ingredients is accurate there may be product upgrades from time to time, or slight variants between different regions based on local laws, meaning the only definitive ingredient list is that which is printed on the product packaging.
  • Fragrance free
  • No synthetic colors
  • Paraben free
  • Alcohol free
  • Certified by the vegan society
Experts Recommended

Liquid Peptides takes the renowned benefits of peptides to the next level.

DANIEL ISAACS
Chief Product Officer

One of the finest formulations you’ll find!

HANNAH COATES
Beauty & Wellness Editor - British Vogue

Complete Your Regime

Reviews

Frequently Asked Questions

Can I use Liquid Peptides alongside Crystal Retinal?
Absolutely. Liquid Peptides and Crystal Retinal are the perfect nighttime pairing to take your visible wrinkle-reducing results to the next level.
Can I use Liquid Peptides directly after an exfoliating acid like Press & Glow or Press & Clear?
Yes. Liquid Peptides can be applied straight after an exfoliating acid, in both your AM and PM regimens.
Can I use Liquid Peptides during pregnancy?
As general guidance, this product does not contain any ingredients which we would recommend to avoid during pregnancy, unless advised by your doctor.
Should I apply Liquid Peptides in the morning or evening?
Both. Liquid Peptides can be applied both morning and night for optimal visible results. Apply after cleansing and toning but before oil-based serums and moisturizers.
Liquid Peptides™