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Kosas Big Clean Mascara
Big Lash Energy
Application for Big Clean Mascara 1
Big Clean Mascara Proven Results
Hair Care Serum of Big Clean Mascara
Big Clean Mascara Ingredients
Application for Big Clean Mascara 2
Safe for Sensitive Skin
Application for Big Clean Mascara 3

The Big Clean Mascara

Clean Longwear Mascara

496 total customer reviews
Size5 g / 0.17 oz
Size
Intense Black
Shade

Free Shipping on US Orders $40+ & Free Returns

Longwear Formula,Big Fluffy Lashes 

Review: 5 out of 5

Fantastic! This mascara doesn't clump and is incredibly long wearing!

Holli

Review: 5 out of 5

Love the mascara! Makes my short thin lashes look much fuller!

Kimberly

Benefits & Ingredients
Castor Oil

Helps lashes reach full growth potential

Provitamin B5

Helps revive lashes

Biotinoyl Tripeptide-1

Supports healthier, fuller hair

Plant-Based Sugars

Provides longwear without microplastics

How to Use
FAQs
Clinical Results
Awards
Pairs Best With
Air Brow - Tinted Volumizing treatment gel
Air Brow in Taupe
Air Brow - Tinted
Volumizing treatment gel

100% Saw Longer, Thicker, Lusher Lashes

Get max volume and separation with the cleanest ingredients. Biodegradable plant-based sugars replace traditionally used microplastics for a longwearing formula + big, fluffy, lash-extension impact.

Big Lash Energy

Natural body-building ingredients and pure, intense pigments deliver a big lash vibe. The oversized curved brush (like a rainbow) has flexible-yet-firm spiraled bristles that volumize, lengthen, separate, and curl lashes all the way up. 

Powerful Hair Care Serum For Clinically Proven Results

The active formula nourishes and protects to support stronger, healthier lashes over time. Every swipe helps lash hairs reach their full growth potential.

See It In Action

A few before & afters of The Big Clean. Your lashes, but bigger.

The Big Clean Mascara before and after 2

Kosas Clean

Cruelty-free and gluten-free. Formulated without: carbon black, acrylates, mineral oil, talc, silicones, fragrance, parabens, sulfates, and phthalates.

Check out our Kosas Clean page for the full list.

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3.6
Rated 3.6 out of 5 stars
Based on 496 reviews
Total 5 star reviews: 159 Total 4 star reviews: 128 Total 3 star reviews: 103 Total 2 star reviews: 58 Total 1 star reviews: 48
53%would recommend this product
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496 reviews
  • C
    Cynthia
    5 minutes ago
    Rated 5 out of 5 stars
    5 Stars

    Great product. Easy to use, quality results.

  • A
    Arlene
    1 month ago
    Rated 5 out of 5 stars
    5 Stars

    One of my favorite mascara so good 🫶🏻🫶🏻🫶🏻

  • N
    Natasha
    1 month ago
    Rated 5 out of 5 stars
    5 Stars

    Comes through as the perfect mascara !

  • S
    Stephanie
    2 months ago
    Rated 5 out of 5 stars
    5 Stars

    So far so good! I’ve only used it once.

  • MC
    Michelle C.
    Verified Buyer
    Age Range 35 - 44
    Astrology Earth — Taurus; Virgo; Capricorn
    Hair Color Brown
    Skin Tone Light
    Skin Type Combination
    Recommend Yes -1000%
    2 months ago
    Age Range 35 - 44
    Astrology Earth — Taurus; Virgo; Capricorn
    Hair Color Brown
    Skin Tone Light
    Skin Type Combination
    Recommend Yes -1000%
    Rated 5 out of 5 stars
    Love the volume!

    Love how much it fills and extends my lashes! Plus how it nourishes it with the ingredients. I’ve seen my lashes grow!

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