FACTORFIVE
Lash/Brow Growth Serum
Lash/Brow Growth Serum
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Get fuller, thicker lashes and brows in as little as 4–6 weeks with our newest Lash/Brow Growth Serum. This advanced formulation combines skin-loving growth factors with other hair-boosting ingredients like panthenol, biotin, and ocimum basillcum hairy root extract to help strengthen, thicken, and condition hair.
Safe for everyday use–our lash/brow growth serum is prostaglandin free and will NOT change the color of your eyes.
WHEN TO USE IT
am
SKIN TYPES + CONCERNS
All Skin Types
How To Use
How To Use
Shake before use. On clean skin, apply a few short strokes of Lash/Brow Serum onto the upper lash line and each eyebrow where growth is desired. Let dry completely before applying other beauty products. For best results use twice daily.
For a superboost of lash/brow growth, apply FACTORFIVE Eye/Lash Cream over Lash/Brow Growth Serum after it dries completely.
Avoid getting serum directly into your eyes. If irritation occurs, discontinue use.
Why We Love It
Why We Love It
Get fuller, thicker lashes and brows in as little as 4–6 weeks with our newest Lash/Brow Growth Serum. This advanced formulation combines skin-loving growth factors with other hair-boosting ingredients like panthenol, biotin, and ocimum basillcum hairy root extract to help strengthen, thicken, and condition hair.
Safe for everyday use–our lash/brow growth serum is prostaglandin free and will NOT change the color of your eyes.
Formulated with humanity in mind—without parabens, mineral oil, sulfate detergents, phthalates, urea, DEA or TEA—and not tested on animals.
Visible results in 4–6 weeks.
*avoid getting product directly in eyes as it may cause slight burning.
Key Ingredients
Key Ingredients
Water (Aqua), Human Stem Cell Conditioned Media, Glycerin, Aloe Barbadensis Leaf Juice, PEG-8/SMDI Copolymer, Ocimum Basillcum Hairy Root Extract, Niacinamide, Sodium Ascorbyl Phosphate, Sodium Benzoate, Hydroxyethylcellulose, Caprylhydroxamic Acid, Phenoxyethanol, Polysorbate 20, Polysorbate 60, Caprylyl Glycol, Bis (Tripeptide-1) Copper Acetate, Biotin, Caffeine, Panthenol, Sodium Hyaluronate, Tocopherol, Troxerutin, Ethylhexylglycerin, Sodium Metabisulfite, Larix Europaea Wood Extract, Disodium Phosphate, Sodium Phosphate, Glycine, Zinc Chloride, Camellia Sinensis (Green Tea) Leaf Extract, Benzyl Alcohol, Benzoic Acid, Myristoyl Pentapeptide-17, Alcohol.
Additional Details
How to recycle our products
Animal Free
No animal derived stem cell cultures or testing - ever!
Ethical Adipose Stem Cells
Ethically human sourced stem cell cultures proven to be the most effective for all skin types.
No Harsh Ingredients
Free from parabens, mineral oil, sulfate, detergents, phthalates, urea, DEA, or TEA.
Made in the USA
Cultivated, created, manufactured, and lab-tested in the USA.
Recommended For You
- Eye/Lash Cream$149.00
- Eye/Lash Cream - Mini$55.00
- Anti-Aging Cream - Mini$65.00
- Save $39.00FACTORFIVE Eye Essentials Collection$228.00 $189.00
Customer reviews
4.3/ 517 reviewsProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetterWhat is your skin type?Combination(1)·Dry(2)·Normal(1)·Oily(1)View allAsk a questionWrite a reviewReviews17Questions0Most recentHighest ratingLowest ratingMost relevantAll ratings1 star2 stars3 stars4 stars5 starsWith mediaMore filters3 months agoLASHES ON POINT!Susan M.Verified buyer
After falling in love with the Factor Five Eye/Lash Cream, I added the Lash/Brow Growth Serum to my routine — and the results have been remarkable. This serum elevated the lengthening and fullness of my lashes even further, while continuing to strengthen and define my brows. The formula feels weightless and non-irritating, even on my sensitive eyes. Within weeks, I noticed a visible boost in both volume and length, creating a naturally enhanced look that feels elegant and effortless. Factor Five has truly perfected the art of luxury performance skincare.
What is your skin type?CombinationWhat are your primary skin concerns?Fine Lines/Wrinkles,Skin Firmness/Loss of Elasticity,Dark Spots/Pigmentation,Under-Eye Circles/PuffinessWhat noticeable improvements have you experienced?Hydrated SkinWould you recommend to others?Yes, highly recommendProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetter10 months agoActually works!Kaitlyn S.Verified buyer
Works! Easy to apply and gentle enough for my sensitive eyes.
What is your skin type?OilyWhat are your primary skin concerns?Fine Lines/WrinklesWhat noticeable improvements have you experienced?Smoother Skin TextureWould you recommend to others?Yes, highly recommendProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetter1 year agoDid not work for meRegina F.Verified buyer
I used the product twice a day on my eye lashes for a month and saw no difference. I kept thinking I would see a difference but no difference.
What is your skin type?DryWhat are your primary skin concerns?Dark Spots/PigmentationWhat noticeable improvements have you experienced?I didn't notice any differenceWould you recommend to others?NoComparison to Other Skincare BrandsNot as goodSimilarBetter1 year agoBest lash serumApple55berry
I LOVE this lash serum. I use it religiously at night and my lashes have grown for sure. I always have problems with my lashes breaking on the side of my eyes because I sleep on my side. This serum has helped immensely! Thank you factor five!!
What is your skin type?NormalWhat are your primary skin concerns?Skin Firmness/Loss of ElasticityWhat noticeable improvements have you experienced?Smoother Skin TextureWould you recommend to others?Yes, highly recommendProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetter1 year agoSlow but steadyEmarcakis79Verified buyer
It’s working slowly but is working nicely.
What is your skin type?DryWhat are your primary skin concerns?Under-Eye Circles/Puffiness,Dullness/Lack of RadianceWhat noticeable improvements have you experienced?Smoother Skin TextureWould you recommend to others?Yes, highly recommendComparison to Other Skincare BrandsNot as goodSimilarBetterShow moreRetail Newsletter
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- Regenerative Serum$199.00
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Full Ingredient List
Full Ingredient List
Water (Aqua), Human Stem Cell Conditioned Media, Glycerin, Aloe Barbadensis Leaf Juice, PEG-8/SMDI Copolymer, Ocimum Basillcum Hairy Root Extract, Niacinamide, Sodium Ascorbyl Phosphate, Sodium Benzoate, Hydroxyethylcellulose, Caprylhydroxamic Acid, Phenoxyethanol, Polysorbate 20, Polysorbate 60, Caprylyl Glycol, Bis (Tripeptide-1) Copper Acetate, Biotin, Caffeine, Panthenol, Sodium Hyaluronate, Tocopherol, Troxerutin, Ethylhexylglycerin, Sodium Metabisulfite, Larix Europaea Wood Extract, Disodium Phosphate, Sodium Phosphate, Glycine, Zinc Chloride, Camellia Sinensis (Green Tea) Leaf Extract, Benzyl Alcohol, Benzoic Acid, Myristoyl Pentapeptide-17, Alcohol.
Additional Details
How to recycle our products
Animal Free
No animal derived stem cell cultures or testing - ever!
Ethical Adipose Stem Cells
Ethically human sourced stem cell cultures proven to be the most effective for all skin types.
No Harsh Ingredients
Free from parabens, mineral oil, sulfate, detergents, phthalates, urea, DEA, or TEA.
Made in the USA
Cultivated, created, manufactured, and lab-tested in the USA.
Recommended For You
- Eye/Lash Cream$149.00
- Eye/Lash Cream - Mini$55.00
- Anti-Aging Cream - Mini$65.00
- Save $39.00FACTORFIVE Eye Essentials Collection$228.00 $189.00
Customer reviews
4.3/ 517 reviewsProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetterWhat is your skin type?Combination(1)·Dry(2)·Normal(1)·Oily(1)View allAsk a questionWrite a reviewReviews17Questions0Most recentHighest ratingLowest ratingMost relevantAll ratings1 star2 stars3 stars4 stars5 starsWith mediaMore filters3 months agoLASHES ON POINT!Susan M.Verified buyer
After falling in love with the Factor Five Eye/Lash Cream, I added the Lash/Brow Growth Serum to my routine — and the results have been remarkable. This serum elevated the lengthening and fullness of my lashes even further, while continuing to strengthen and define my brows. The formula feels weightless and non-irritating, even on my sensitive eyes. Within weeks, I noticed a visible boost in both volume and length, creating a naturally enhanced look that feels elegant and effortless. Factor Five has truly perfected the art of luxury performance skincare.
What is your skin type?CombinationWhat are your primary skin concerns?Fine Lines/Wrinkles,Skin Firmness/Loss of Elasticity,Dark Spots/Pigmentation,Under-Eye Circles/PuffinessWhat noticeable improvements have you experienced?Hydrated SkinWould you recommend to others?Yes, highly recommendProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetter10 months agoActually works!Kaitlyn S.Verified buyer
Works! Easy to apply and gentle enough for my sensitive eyes.
What is your skin type?OilyWhat are your primary skin concerns?Fine Lines/WrinklesWhat noticeable improvements have you experienced?Smoother Skin TextureWould you recommend to others?Yes, highly recommendProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetter1 year agoDid not work for meRegina F.Verified buyer
I used the product twice a day on my eye lashes for a month and saw no difference. I kept thinking I would see a difference but no difference.
What is your skin type?DryWhat are your primary skin concerns?Dark Spots/PigmentationWhat noticeable improvements have you experienced?I didn't notice any differenceWould you recommend to others?NoComparison to Other Skincare BrandsNot as goodSimilarBetter1 year agoBest lash serumApple55berry
I LOVE this lash serum. I use it religiously at night and my lashes have grown for sure. I always have problems with my lashes breaking on the side of my eyes because I sleep on my side. This serum has helped immensely! Thank you factor five!!
What is your skin type?NormalWhat are your primary skin concerns?Skin Firmness/Loss of ElasticityWhat noticeable improvements have you experienced?Smoother Skin TextureWould you recommend to others?Yes, highly recommendProduct EffectivenessNot very effectiveModerately effectiveHighly effectiveComparison to Other Skincare BrandsNot as goodSimilarBetter1 year agoSlow but steadyEmarcakis79Verified buyer
It’s working slowly but is working nicely.
What is your skin type?DryWhat are your primary skin concerns?Under-Eye Circles/Puffiness,Dullness/Lack of RadianceWhat noticeable improvements have you experienced?Smoother Skin TextureWould you recommend to others?Yes, highly recommendComparison to Other Skincare BrandsNot as goodSimilarBetterShow moreRetail Newsletter
Sign up for our retail emails and receive 10% off your first order!
Follow us on social for exclusive content
Resources
- Contact Us
- Search
- Our Ingredients
- Loyalty Rewards
- Awards + Press
- Terms of Service
- Refund Policy
- Shipping Policy
- Privacy Policies
© 2026 FACTORFIVE Skincare, All rights reserved. Powered by Shopify
Follow on
Cart
Your cart is currently empty.
Select options
Trending Now
- Regenerative Serum$199.00
- Night Retinol Cream$189.00
- Anti-Aging Cream$189.00
- Eye/Lash Cream$149.00
10% OFF + VIP ACCESS
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