• Eyelash serum and waterproof mascara tubes for longer, fuller-looking lashes on white background.
  • Eyelash serum product box, labeled &
  • High-definition waterproof mascara with packaging, slim fiber brush, for curled, defined lashes
  • Woman holding eyelash serum and mascara, showcasing long, full eyelashes and natural makeup.
  • Teal mascara tubes and clear eyelash serum bottles with wands on a light background
  • Smiling woman applying eyelash serum with applicator for longer, fuller lashes
  • Woman applying mascara with a turquoise tube for longer, fuller-looking eyelashes
  • Clear serum texture with round liquid drops on a white background for eyelash care
  • Black mascara swipe showing lengthening eyelash effect on white background
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fLASH ULTIMATE LASH DUO 2.0

Eyelash Serum & Waterproof Mascara DUO 2.0

$58.00
$58.00
DESCRIPTION

Combine fLASH Eyelash Serum and the fLASH Happy High-Definition Mascara for the Ultimate Lash combo! 
INGREDIENTS

fLASH Eyelash Serum: 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

High-Definition Mascara: Water (Aqua), Synthetic Beeswax, Acrylates Copolymer, Jojoba Esters, Hydrogenated Olive Oil Stearly Esters, Copernica Cerifera (Carnauva) Wax, Propanol, Acacia Senegal Gum, Phenoxyethanol, Caprylyl Glycol, Hydroxyethlcellulose, Potassium Sorbate, Sodium Dehydroacetate, Disodium Phosphate, Polysorbate 60, Tocopherol,Sodium Phosphate. May Contain Iron Oxides (+/- CI 77499)
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 and waterproof mascara tubes for longer, fuller-looking lashes on white background.
Eyelash serum product box, labeled &
High-definition waterproof mascara with packaging, slim fiber brush, for curled, defined lashes
Woman holding eyelash serum and mascara, showcasing long, full eyelashes and natural makeup.
Teal mascara tubes and clear eyelash serum bottles with wands on a light background
Smiling woman applying eyelash serum with applicator for longer, fuller lashes
Woman applying mascara with a turquoise tube for longer, fuller-looking eyelashes
Clear serum texture with round liquid drops on a white background for eyelash care
Black mascara swipe showing lengthening eyelash effect on white background
  • 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

YOUR
LONGEST,
CURLED
LASHES

IN A

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.

YOU'LL ALSO LOVE

Pair with these fLASH favs for the ultimate lash enhancement.

Eyelash serum with applicator and packaging for longer, fuller, curled lashes

fLASH EYELASH SERUM

Eyelash Serum

$24.00
Waterproof high-definition mascara with slim fiber brush and colorful packaging

fLASH HAPPY HIGH-DEFINITION MASCARA

Waterproof Mascara for Eyelashes

$18.00

REAL RESULTS, IRL

Shop THE FEED @flashcosmeticsus

REVIEWS