• Eyelash serum with applicator and packaging for longer, fuller, curled lashes
  • Woman with long lashes holding eyelash serum, close-up on lashes and cosmetic product
  • Woman with curly hair and long lashes making a fish face, eyelash serum application steps shown.
  • Eyelash serum tube with text highlighting safe, easy, and effective benefits for fuller lashes.
  • Close-up before and after of one eye showing longer, fuller eyelashes after serum use
  • Eyelash serum product packaging with applicator and six week supply box, pink and teal design
  • Two fLASH eyelash serum boxes, 3-month and 6-week supply, on white background
  • Clear eyelash serum tube with turquoise accent, labeled for lash growth, on white background
  • fLASH EYELASH SERUM
1 7

fLASH EYELASH SERUM

Eyelash Serum

$24.00
$24.00
Size
INGREDIENTS

Water/Aqua, Hydroxyethylcellulose, Glycerin, Panthenol, Hydrolyzed Soy Protein, Butylene Glycol, Carbomer Polysorbate20, Palmitoyl Oligopeptide, Palmitoyl Tetrapeptide-7, Sodium Hyaluronate, Soluble Collagen, Dehydrolatanoprost, Hydrolyzed Wheat Protein PG-Propyl Silanetriol, Disodium EDTA, Phenoxyethanol, Ethylhexylglycerin
SHIPPING INFORMATION

We offer FREE worldwide shipping*! After you place your order, you will receive an email order confirmation. Once the product ships, UPS will email you your tracking number. Expect your tube of fLASH to arrive in 5-7 business days for US orders and 7-14 days for international.

*We are shipping from the U.S. Some orders may take up to four weeks depending on your location, and we cannot be responsible for fees or customs charges levied by your country.

Eyelash serum product packaging with applicator and six week supply box, pink and teal design
Eyelash serum with applicator and packaging for longer, fuller, curled lashes
Woman with long lashes holding eyelash serum, close-up on lashes and cosmetic product
Woman with curly hair and long lashes making a fish face, eyelash serum application steps shown.
Eyelash serum tube with text highlighting safe, easy, and effective benefits for fuller lashes.
Close-up before and after of one eye showing longer, fuller eyelashes after serum use
Two fLASH eyelash serum boxes, 3-month and 6-week supply, on white background
Clear eyelash serum tube with turquoise accent, labeled for lash growth, on white background
fLASH EYELASH SERUM
  • Pink paraben-free trust badge with stylized face icon, cosmetic safety symbol
  • Pink trust badge with line art eye and text indicating suitable for sensitive eyes
  • Cruelty-free badge with white bunny icon on pink background
  • Pink badge with US flag icon and text stating Made in the USA
  • Vegan badge with white bowl and leaves icon on pink circle background
Flash Logo

LONG,
CURLED
LASHES

IN A

An award-winning, affordable serum that ACTUALLY works. Try it for yourself and become obsessed.

Before and after comparison showing natural lashes and longer, fuller-looking eyelashes.
Clear eyelash serum tube with teal accent and visible 'FLASH EYELASH SERUM' label

SAFE

Ophthalmologist tested, safe
for both sensitive eyes and
contact lens wearers.

EASY

Applied like a liquid eyeliner during
your morning routine (it's like
skincare for your eyelashes)!

EFFECTIVE

Our formula is packed with hair
healthy ingredients that nourish and
condition the lash follicle.

Smiling woman with long, full eyelashes and curly red hair on a white background.
Flash Logo

HAPPINESS
GUARANTEE

fLASH Eyelash Serum comes with a full 90-day Happiness Guarantee or your money back!*

*fLASH Eyelash Serum (2mL) only.

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ULTIMATE
LASH DUO 2.0

Experience your longest, curled lashes with our innovative Ultimate Lash Duo 2.0.

ONE SYSTEM, TWO STEPS.

SHOP NOW

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REAL RESULTS, IRL

Shop THE FEED @flashcosmeticsus

REVIEWS