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  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Eyelash Serum + Eyebrow Serum Set - UKLASH
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379 reviews

Complex Peptide Lash Growth Serum + Eyebrow Serum Set

For longer lashes & fuller brows

Complex Peptide Lash Growth Serum + Eyebrow Serum Set

What it does

A combination of the world's most sophisticated peptide-based Eyelash and Eyebrow Serums which work to provide longer, stronger and fuller-looking lashes and brows.

Why it's special

Their clinically proven formulas include more peptides than any other lash and brow serum on the market. Pea Peptides, Hexapeptide-8, and Copper Tripeptide-1 all help to stimulate growth from the root and promote collagen and elastin in the hair follicle, resulting in longer, stronger and fuller-looking lash and brow growth in the long term.

Benefits

World first - The world's first eyelash and eyebrow serum to be powered by a record-breaking six peptides

Easy application - Apply in less than 5 seconds

Clinically tested - Approved by dermatologists, ophthalmologists and trichologists

Kind recipe - The vegan-friendly and cruelty-free recipe is derived from 99% natural and 22% organic ingredients

3ml / 0.10fl oz (each)

World first

Record-breaking 6 peptides

Prostaglandin free

Peptide based

Cruelty free

Kind to animals

Vegan friendly

Care for the planet

Ophthalmologist approved

Kind to your eyes

Trichologist approved

Kind to your hair

Dermatologist approved

Kind to your skin

Complex Peptide Eyelash Serum

1. Remove makeup with an oil-free remover or cleanser

2. Apply one stroke of the serum to your upper lash line with your eyes closed. One dip is sufficient for both eyes

3. For best results, apply in the PM and allow the serum to work overnight. If applying in the AM - make sure the serum has fully dried before following with your makeup routine

Top tips

- Avoid direct contact with the eyes

- Do not use if you are pregnant, nursing or under 18

- Keep out of reach of children

- Patch testing is recommended and if redness or irritation occurs, discontinue use

- If you have any preexisting conditions, consult your doctor before use

- For more information, please read the box insert

Complex Peptide Eyebrow Serum

1. Remove your makeup with an oil-free makeup remover or cleanser

2. Apply one stroke of the serum to your entire brow. One dip is sufficient for both brows

3. For best results, apply in the PM and allow the serum to work overnight. If applying in the AM - make sure the serum has fully dried before following with your makeup routine

Compl-hex™ Peptide Blend

(Pea Peptides, Palmitoyl Tetrapeptide-7, Palmitoyl Oligopeptide, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Hexapeptide-8 and Copper Tripeptide-1) - Our unique anti-inflammatory blend of 6 peptides helps to support lash resilience and reduce breakage for the appearance of thicker, fuller lashes.

Hyaluronic Acid

A well-known source of hydration for hair, it also delivers key nutrients to the follicles and roots to promote healthy lash growth

Hydrolyzed Wheat Protein

Hydrates and strengthens the hair follicle reducing hair loss

Complex Peptide Eyelash Serum

Aqua, Citrus Limon (Lemon) Fruit Water, Propanediol, Pisum Sativum (Pea) Peptide, Cocodimonium Hydroxypropyl Hydrolyzed Wheat Protein, Butylene Glycol, Hyaluronic Acid, Curcuma Longa (Turmeric) Callus Conditioned Media, Caprylyl Glycol, Acetyl Hexapeptide-8, Pentylene Glycol, Phytic Acid, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Copper Tripeptide-1, 1,2-Hexanediol, Glycerin, Carbomer, Polysorbate 20, Palmitoyl Oligopeptide, Palmitoyl Tetrapeptide-7, Centella Asiatica Extract, Polygonum Cuspidatum Root Extract, Scutellaria Baicalensis Root Extract, Camellia Sinensis Leaf Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Chamomilla Recutita (Matricaria) Flower Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Isochrysis Galbana Extract, Phenoxyethanol, Xanthan Gum, Ethylhexylglycerin.

Complex Peptide Eyebrow Serum

Aqua, Citrus Limon (Lemon) Fruit Water, Propanediol, Pisum Sativum (Pea) Peptide, Cocodimonium Hydroxypropyl Hydrolyzed Wheat Protein, Butylene Glycol, Hyaluronic Acid, Curcuma Longa (Turmeric) Callus Conditioned Media, Caprylyl Glycol, Acetyl Hexapeptide-8, Pentylene Glycol, Phytic Acid, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Copper Tripeptide-1, 1,2-Hexanediol, Glycerin, Carbomer, Polysorbate 20, Palmitoyl Oligopeptide, Palmitoyl Tetrapeptide-7, Centella Asiatica Extract, Polygonum Cuspidatum Root Extract, Scutellaria Baicalensis Root Extract, Camellia Sinensis Leaf Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Chamomilla Recutita (Matricaria) Flower Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Isochrysis Galbana Extract, Phenoxyethanol, Xanthan Gum, Ethylhexylglycerin.

This product is eligible for our money back guarantee

FAQ

Our Complex Peptide Eyelash & Eyebrow Serums are the first of their kind - offering a record-breaking six peptides in its innovative formula. It’s best suited to those looking for longer, healthier and more nourished lashes and brows.

This will depend on what point your lashes and brows are in their cycle when you start to use the product. Some see longer lashes and fuller brows in as little as 25 days, but 12 weeks is when you should expect to see full results. Read more about lash cycles here.

If you have already achieved longer and fuller lashes and brows using our original serums, switching to our innovative Complex Peptide formula can be good as it focuses heavily on nourishing and maintaining length, resulting in healthier and fuller-looking lashes and brows for the long term.

It is packed with 99% naturally derived and 22% organic ingredients including Pea Peptides, Hyaluronic Acid, Hydrolyzed Wheat Protein, Hexapeptide-8 (Acetyl Hexapeptide-8) and Copper Tripeptide-1 amongst many more - all of which combine to moisturise, strengthen and stimulate lash and brows growth from the root.

As leaders in the Eyelash Growth Serum category, we want to make sure we’re catering to all customers in helping achieve longer and fuller-looking lashes. Our original Eyelash Serum was our first innovation, our Sensitive Eyelash Serum caters to those who are looking for a gentler approach to growth, and our new Complex Peptide Eyelash Serum pushes the boundaries by being an industry-first, packed with more peptides than any other serum on the market.

4.6
Rated 4.6 out of 5 stars
Based on 379 reviews
Reviews Summary
Customers say this serum makes their lashes noticeably longer and thicker. Many reviews mention seeing results within a few weeks to months of consistent use. The formula is generally well-tolerated, though some note it can be runny during application. While most users report dramatic improvements in length, experiences with volume vary. Some mention the serum helps with post-treatment recovery and age-related thinning. Reviews indicate results typically appear after consistent nightly application, with full effects showing around three months.
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379 reviews
  • Gabrielle D.
    Verified Buyer
    Reviewing
    Complex Peptide Lash Growth Serum
    I recommend this product
    Age Range 25 - 34
    What was your concern? Sparse lashes
    How long have you been using the product? 150 days (5 months) or more
    What improvements have you noticed? Longer lashes, More Volume, Fuller lashes, Stronger lashes
    Rated 5 out of 5 stars
    2 months ago
    Love It!

    I feel like this is an upgrade from the OG UKLash serum, it doesn’t leave dark circles or dark lines on your eyelids so I’m obsessed. Works super well slightly thicker formula. 10/10

    Was this helpful?
  • Patricia L.
    Verified Buyer
    Reviewing
    Complex Peptide Lash Growth Serum
    I recommend this product
    Age Range 45 - 54
    What was your concern? Short lashes, Sparse lashes
    How long have you been using the product? 60 days (2 months)
    What improvements have you noticed? Longer lashes, Fuller lashes, More Volume
    Rated 5 out of 5 stars
    4 months ago
    Amazing

    I hadn’t worn makeup in years as I had literally about 10 single lashes . Then after a few months of the serum , the cold yeast was massive for me and feel more confident and wanted to wear make bit more. I recommend to everyone I know

    Was this helpful?
  • Janice S.
    Verified Buyer
    Reviewing
    Complex Peptide Eyebrow Growth Serum
    I recommend this product
    Age Range 35 - 44
    What was your concern? Over plucked brows
    How long have you been using the product? 90 days (3 months)
    What improvements have you noticed? Fuller brows
    Rated 5 out of 5 stars
    4 months ago
    Best eyelash serum on the market!

    My brows grow so thick and it keeps them that way. I’ve gone back to others but this is worth the price.

    Was this helpful?
  • Julianne A.
    Verified Buyer
    Reviewing
    Complex Peptide Lash Growth Serum
    Age Range 55 - 64
    What was your concern? Short lashes
    How long have you been using the product? 150 days (5 months) or more
    Rated 3 out of 5 stars
    6 months ago
    Not working any more!

    I’ve used uk lash for years and have loved my spectacularly long lashes my pride and joy until it stopped working. I changed to the newer complex peptide to see if it would help and have been using it since it became available with a small improvement but my lashes are still struggling

    Was this helpful?
  • linda c.
    Verified Buyer
    Reviewing
    Complex Peptide Lash Growth Serum
    I recommend this product
    Age Range 55 - 64
    What was your concern? Short lashes, Sparse lashes, Lash loss from hormonal changes (incl postpartum)
    How long have you been using the product? 60 days (2 months)
    What improvements have you noticed? Longer lashes, Fuller lashes
    Rated 5 out of 5 stars
    6 months ago
    Super lash serum

    Seen a difference in the length and strength of my lashes

    Was this helpful?
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