0.20 fl oz/ 5.9 Ml - Item# 2270

$20.00 USD product review stars

UnderSense Lash Builder

Before applying LashSense® mascara, coat your lashes with this effective lengthener and builder.

  • Delivers deep hydration to damaged lashes
  • Helps build fuller, thicker lashes
  • Binds lashes with moisture to help protect from external elements


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UnderSense® is a lash moisturizing lengthener and builder. Use to build the fullest, longest, and most noticeable gorgeous lashes.

The Science Behind the Product

Generally, as we age, eyelashes begin to thin. In younger years, lost lashes tend to easily re-grow but not so much as we mature. Therefore it is essential to keep lashes moist and in good shape. Moisturizing lashes on a daily basis helps keep lashes healthier and longer. UnderSense binds lashes with moisture and helps protect lashes from external elements.

Key Ingredients and Benefits

  • Volcanic Ash: from Vanuatu; used to thicken product and apply beneficial minerals to damaged lashes.
  • Galactoarabinan: decreases emulsion particle size and facilitates the aqueous dispersion of particulate materials such as micronized titanium dioxide.
  • Acrylates Copolymer: provides water resistant properties to products.
  • Titanium Dioxide: an inert earth mineral used as a thickening ingredient and sunscreen in cosmetics. It protects skin from UVA and UVB radiation and is considered to have no risk of skin irritation.

Water (Aqua), PPG-17/IPDI/DMPACopolymer, Titanium Dioxide (CI 77891), Volcanic Ash, Stearic Acid, Triacontanyl PVP, Glyceryl Stearate Se, VP/Eicosene Copolymer, PEG-40 Hydrogenated Castor Oil, Iron Oxides (CI 77499), Phenoxyethanol, Acrylates Copolymer, Galactoarabinan, Ethylhexylglycerin, Aminomethyl Propanol.

To apply UnderSense®, begin with clean, dry lashes. Using the tip of the Lash Applicator apply UnderSense and let dry. Be sure to coat all lashes evenly, including the tiniest lashes in the corner of the eye. For thicker, fuller lashes, use additional coats of UnderSense. Once UnderSense sets for a moment, apply chosen shade of LashSense.