Nexxus Fullology Densifying Leave In Spray, 8 fl. oz.

|95 ratings
Item # 990394388
Current price is $16.98
$2.12/foz
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Highlights

  • Contains 8 fl. oz. of Nexxus Densifying Leave In Spray
  • Collagen, amino acids, rosemary, & vitamin B7 nourish hair from the inside out
  • 2X fuller & 10X stronger hair with 93% less breakage & 48-hr humidity protection
  • Ideal for those looking to see significant improvements in hair strength & volume
  • Unlock your hair's fullest potential with +3.4% thicker strands & heat protection
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nexxus fullology densifying leave in spray, 8 fl. oz. front-facing red cylindrical bottle with gold trigger spray; label reads “Densifying Leave-In Spray” and lists collagen, amino-acid, rosemary, vitamin B7, marked 8 FL OZ / 236 mL, studio white background. Suitable for adding volume and strengthening hair when applied to roots and damp lengths.
Nexxus Fullology Densifying Leave In Spray, 8 fl. oz.
Hero image 0 of Nexxus Fullology Densifying Leave In Spray, 8 fl. oz., 0 of 8

About this item

Product details

Unleash the Power of Fullness with Nexxus Fullology Leave-In Spray

Nexxus Fullology Leave-In Spray is your secret to achieving lusciously full and thick-looking hair. This innovative styling aid is designed with the Full•Boost Complex, which lifts, plumps, and increases strand thickness by +3.4%, giving you the confidence of fuller and stronger hair. Whether you’re preparing for a special event or simply want to enhance your everyday look, this lightweight formula provides the perfect solution. 

Enriched with Powerful Ingredients for Healthier, Stronger Hair

Our leave-in spray is enriched with collagen, amino acids, rosemary, and vitamin B7, nourishing your hair from the inside out. These powerful ingredients work together to promote healthier, more resilient strands, ensuring your hair looks and feels its best. This scientifically proven formula provides 2X fuller hair, 93% less breakage, and 10X stronger hair, with the added benefits of heat protection and 48-hour humidity protection. You can style your hair with confidence, knowing it’s protected from damage and breakage. 

Maximize Fullness and Strength with Regular Use

For optimal results, incorporate Nexxus Fullology Leave-In Spray into your hair care regimen. Use it alongside Nexxus Fullology Shampoo and Conditioner to maximize fullness and strength. In between washes a light application of the spray can also refresh your style. Lift hair and spray lightly into the body of the hair and onto the roots. The spray will dampen hair, Use a blow dryer and use fingers to lift and dry the roots first, next use a brush of your choice to lightly go over sections, return shape and finish to style. At Nexxus, we believe in the power of advanced science and precise ingredients to deliver superior formulas. Our commitment to integrity, depth, and class ensures that you’re not just doing something for your hair, but truly enhancing its health and beauty.

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Specifications

  • Includes: 8 Fluid Ounce Bottle
  • Scent: Floral, fruity, warm fragrance with notes of bergamot, melon, rose, & vanilla
  • Product Use: Ideal for Fine or Thin Hair

Directions: Shake well, spray directly onto the root and throughout hair for overall fullness. Style as usual. Can be used on damp or dry hair. For best results use with Fullology Shampoo & Conditioner.

Ingredients: Water (Aqua), Oleth-20, Collagen Amino Acids, Rosmarinus Officinalis (Rosemary) Leaf Oil, Biotin, Phenoxyethanol, Glycerin, Polyquaternium-11, Caprylyl Glycol, Styrene/VP Copolymer, Fragrance (Parfum), Sodium Benzoate, Polysorbate 20, Citric Acid, Zinc Sulfate, Hydrolyzed Yeast Protein, Hydrolyzed Elastin, Hydrolyzed Keratin, Zinc Gluconate, Amyl Cinnamal, Benzyl Alcohol, Citronellol, Hexyl Cinnamal, Limonene, Linalool.

Member ratings & reviews

3.9 out of 5 stars
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95 ratings59 reviews
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Showing 1-3 of 59 reviews

Jul 16, 2026
Reviewer name: JrP
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great smelling, defrizz that works

Love the smell of this product. It definitely works, as I have color treated hair and hard water so it get dried out and frizzy. I just squirt a little in my hand and rub it in my hair. I don't spray it on my hair because the nozzle is more like a jet than a spritz or "spray".

Helpful?4L7BP1Q9F4GM15258955030
Jun 21, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Lots of hair volume and thickness

I bought this product mainly for the heat protection benefit, I have a lot of hair and I like to use a lot of heat protection, great price, but to my surprise this also made my hair enormous! it gave me a lot of volume, I love it!! It did not make my hair flat next day either. the delivery nozzle needs a better distribution of product, it’s a straight delivery which it’s a bit much. I switched the nozzle for an old tressemme heat bottle and fit just fine. Great volumizing product!

Helpful?4L7BP1Q9F4GM15258955030
Aug 2, 2025
Reviewer name: BMWCatherine
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Amazing for flat, fine hair

This Really Works. I’ve used every product under the sun and all do something but this is the only set of products that really delivers for straight, stringy, fine hair. Gives body and fullness without being too stiff Love it. I bought the whole product line. Shampoo, conditioner and leave in spray!

Helpful?4L7BP1Q9F4GM15258955030
reply from NexxusExpert

Thanks for letting us know how much you loved our Fullology Densifying Leave In Spray. We love sharing feedback like this with our team.