KITSCH Densifying Lash & Brow Boost Serum — closed dual-ended applicator pen standing upright on a light grey background — sleek, compact, and leak-proof design — fits perfectly in any bag so you never have to skip your daily routine

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KITSCH Densifying Lash & Brow Boost Serum — close-up lifestyle shot of a model's eyebrow and eye with the applicator pen held diagonally above the brow, on-image text Densifoll is clinically tested to visibly improve your eyebrow thickness and density — clinically tested to visibly improve your eyebrow thickness and density — for visible eyebrow fullness and density with consistent use

KITSCH Densifying Lash & Brow Boost Serum — clear serum swatch infographic with on-image text Powered by Clinically Tested DensiFoll, Hydrolyzed Rice Protein improves hair volume — Hydrolyzed Rice Protein improves hair volume — formulated to visibly improve brow and lash fullness

KITSCH Densifying Lash & Brow Boost Serum — closed and open applicator pens beside a clear serum swatch, on-image text Multipurpose dual-sided applicator for brows and lashes, Travel-Friendly sleek leakproof container for on the go, and Lash-Loving Brow-Boosting Densifoll is clinically tested to visibly improve your eyebrow thickness and density — dual-sided applicator for brows and lashes — for easy, mess-free blending on the go

KITSCH Densifying Lash & Brow Boost Serum — close-up of a model applying the fine-tip brush along her upper lash line, with on-image How to Use steps and a Pro Tip — Apply to clean, dry skin, comb through brows with spoolie, glide brush along base of lashes — pair with the Kitsch Satin Pillowcase and Eco-Friendly Spa Headband for best results

KITSCH Densifying Lash & Brow Boost Serum — infographic titled Your Complete Eye Area Routine, showing the serum as step 2 of 3 You're Here between Kitsch Mini Spa Rollers and the Contour Pillow Eye Mask, on-image text Improves eyebrow fullness and density — Improves eyebrow fullness and density — used as step 2 in a 3-step eye area routine

Fortifying Lash & Brow Boost Serum

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  • Powered by DensiFoll™, clinically proven to visibly improve your eyebrow thickness and density.¹
  • A 2-in-1 applicator pen featuring a fine-tip brush on one side for sharp lines and a dual-sided spoolie on the other for easy, mess-free blending.
  • A sleek, compact, and leak-proof design that fits perfectly in any bag so you never have to skip your daily routine.

¹Based on an 8-week clinical study of a formula containing 3% DensiFoll™ applied to eyebrows twice daily.

  • Restores lashes and brows thinned by age, over-plucking, or extensions
  • Replaces messy, multi-product steps and a cluttered routine with one simple, targeted application

Apply to clean, dry skin. Comb through brows with spoolie. Glide brush along base of lashes. Allow product to dry down before applying other products.

Pro-Tip: Pair with your Kitsch Satin Pillowcase to reduce friction and help protect your lashes and brows while you sleep. Use with Kitsch Eco-Friendly Spa Headband to keep hair tucked away for easy, precision serum application.

DensiFoll™

Clinically tested to visibly improve eyebrow fullness & density. Based on an 8-week clinical study of a formula containing 3% DensiFoll™ applied to eyebrows twice daily.

Rice protein stalk with droplet
加水分解コメタンパク

肌のうるおいを保ち、肌をふっくらさせるヒアルロン酸の生成をサポートします。

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4 Reasons to Love the Densifying Lash & Brow Boost Serum

double duty, zero drama

Formulated to create fuller-looking brows.

precision at your fingertips

Features a dual-sided spoolie and fine-tip brush for targeted, mess-free applications.

travel-friendly & durable

A sleek, leak-proof, and compact design makes it easy to maintain a consistent routine at home or on the go.

clinically proven ingredient

Powered by DensiFoll™, clinically proven to visibly improve your eyebrow thickness and density.¹

Frequently Asked Questions

  • Start with clean, dry skin. Comb product through brows with spoolie. Glide brush along base of lashes. Allow product to dry down before applying other products.

  • You should use the Kitsch Densifying Lash & Brow Boost Serum right after cleansing and toning your face (your skin must be 100% dry!) and before applying any moisturizers, facial oils, eye creams, or nighttime treatments. Moisturizers and creams create a barrier that prevents the Densifying Lash & Brow Boost Serum formula from reaching the hair follicles. For the best results, it should be the first leave-on product you apply after washing your face.

  • No, the Kitsch Densifying Lash & Brow Boost Serum should be used on clean, dry brows and lashes.

  • One single dip provides enough serum for both upper lash lines. You only need a thin, dampened line; the brush should not be dripping.

  • One dip per eyebrow. Use the spoolie to distribute the serum evenly through the hair and onto the underlying skin.

  • Once daily. Applying more than once a day will not speed up results and may lead to product buildup or minor irritation.

  • A little goes a long way. If the serum is running into your eyes or feels "gloopy" on your brows, you are likely using too much. One standard dip is designed to deliver the perfect dose of active ingredients for a single application.

  • You should rinse immediately if contact with eyes occurs, and you should avoid direct contact with eyes.

  • You should discontinue use if any irritation occurs. And please note, this product is not for use on sensitive skin.

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