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Homepage/ All Sets and Kits/ Complex Peptide Lash Growth Serum + Eyebrow Serum Set
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
  • Complex Peptide Lash Growth Serum + Eyebrow Serum Set - UKLASH
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597 reviews

Complex Peptide Lash Growth Serum + Eyebrow Serum Set

For longer lashes & fuller brows

Complex Peptide Lash Growth Serum + Eyebrow Serum Set

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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 recipe is derived from 99% natural and 22% organic ingredients

3ml / 0.10fl oz (each)

Weeks 1–4: Nourishment Begins
The lashes begin to feel nourished and conditioned as the serum strengthens the lash roots, stimulating growth and making them less prone to breakage.

Weeks 4–6: Visible Changes
The lashes start to look longer, healthier and fuller whilst the serum continues to nourish and condition the lashes at the root.

Weeks 6–8: Noticeable Growth
The lashes appear longer and stronger, showing a clear improvement in both volume and length, while the serum continues to nourish and support the lashes entering the growth phase.

Weeks 8–12: Full Results
Full results are achieved with lashes that are healthier, thicker, longer looking, and nourished, as the serum worked to stimulate growth. To maintain these results, use 3–4 times per week.

World first

Record-breaking 6 peptides

Prostaglandin free

Peptide based

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

Tried and tested by you
FAQs

Most people start to see noticeable results with our Complex Peptide Lash Serum in around six to eight weeks of consistent daily use, with fuller-looking lashes continuing to develop up to 12 weeks. The serum works alongside your natural lash cycle, so it depends at what point in the cycle you began to apply the serum as to how quickly you'll see results. To learn more about the lash growth cycle, head to our article here.

Peptides are short chains of amino acids, which are the building blocks of proteins like Keratin, which makes up around 80-85% of your natural lashes. In lash serums, peptides help support your natural lashes by conditioning them and reinforcing the lash structure over time, working in harmony with the natural growth cycle to achieve longer, fuller and healthier-looking lashes. To read more about what peptides do for lashes, head to our article here.

Yes, when used consistently, a quality eyelash serum, such as the UKLASH Complex Peptide Eyelash Serum, can help improve the appearance of lash length, fullness and strength. UKLASH Complex Peptide Eyelash Serum conditions the lash line with a lightweight formula that supports healthier-looking lashes in as little as four to six weeks. It is a simple step that helps your lashes look bolder and fuller over time.

Peptides help support stronger, healthier-looking skin, lashes and brows by reinforcing the proteins that give them structure and resilience. On skin, they help improve the appearance of firmness and smoothness, while on lashes and brows they condition, strengthen and support natural growth for fuller, more defined-looking results over time. To read more about what peptides are, head to our article here.

Yes, a good quality eyebrow serum, such as the UKBROW Complex Peptide Eyebrow Serum, can help with overplucked brows, but it depends on the hair follicle.
If the follicle is still active, consistent use of an eyebrow serum can help support the natural growth cycle, encouraging brows to look fuller and healthier over time. However, if an area has been overplucked repeatedly for many years and the follicle is no longer active, regrowth may be limited. In these cases, a serum can still help improve the condition and appearance of existing brow hairs, even if complete regrowth isn’t possible.

4.5
Rated 4.5 out of 5 stars
Based on 597 reviews
Reviews Summary
Customers say this serum makes their lashes longer, thicker, and fuller. Many report noticeable improvements within weeks of consistent nightly use. Users appreciate that it doesn't irritate sensitive eyes like some alternatives. Several mention it helps restore lashes damaged by extensions or age-related thinning. Common feedback includes that mascara application improves and some no longer need mascara at all. While most see positive results for eyelashes, eyebrow serum experiences are more mixed. Some users prefer the original formula over this peptide version, noting slower results. A few report no difference after months of use or experience mild eye irritation.
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597 reviews
  • Davinia
    Reviewing
    Complex Peptide Lash Growth Serum
    I recommend this product
    Age Range 45 - 54
    What was your concern? Damaged lashes (extensions/ lash lifts)
    How long have you been using the product? 90 days (3 months)
    What improvements have you noticed? Longer lashes, Nourished and hydrated lashes, Stronger lashes
    Rated 5 out of 5 stars
    6 months ago
    Fixed my damaged lashes

    My lashes got damaged by a lash lift and this repaired and lengthened my lashes perfectly. I'm 47 years old and my lashes are the best they have ever been

    Was this helpful?
  • Sylvie W.
    Verified Buyer
    Reviewing
    Complex Peptide Eyebrow Growth Serum
    I recommend this product
    Age Range 55 - 64
    What was your concern? Over plucked brows, Bald spots
    How long have you been using the product? 30 days (1 month)
    What improvements have you noticed? Fuller brows, Stronger brow hairs
    Rated 5 out of 5 stars
    6 months ago
    Amazing Eyebrow serum

    I never write reviews but l feel l have too .

    I am in my late 50’s and plucked my eyebrows for many years ( l am dark and they were bushy )

    But l think over the years l plucked too much .

    Had eyebrow Tattoo which faded also as they were short .

    I used the eyelash serum which had fantastic results so thought l would try the eyebrow serum .

    So glad l did as after l month new hair us growing and for the first time in years they are starting to resemble how they used to look many years ago.

    Believe me this stuff is truly amazing and about to order more .

    It does what it says on the tin and it works .

    Was this helpful?
  • Stephanie O.
    Verified Buyer
    Reviewing
    Complex Peptide Lash Growth Serum + Eyebrow Serum Set
    I recommend this product
    Age Range 25 - 34
    What was your concern? Sparse lashes, Short lashes
    How long have you been using the product? 90 days (3 months)
    What improvements have you noticed? Longer lashes, Fuller lashes
    How long have you been using this bundle? 3 months +
    Rated 5 out of 5 stars
    8 months ago
    Amazing duo!

    Helped me with gaps in my brows and lashes. They both look so much fuller and thicker. Love that the serums are so easy to use too.

    Was this helpful?
  • 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
    11 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
    1 year 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?
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