FullDensity Leave-In Spray for Thin Hair


It’s time to reduce hair breakage with Biolage Advanced FullDensity Thin Hair Thickening Spray for Thin Hair. 

Biolage Advanced Full Density Densifying Spray Leavin-In Treatment for Thin Hair is formulated with biotin, zinc PCA and Gluco-Omega Blend, works on hair's surface (wet or dry) to increase the diameter of existing strands by up to 9%, for fuller-looking, thicker-feeling hair.

When used as a hair treatment with Full Density Conditioner, results show that hair breakage is reduced by up to 95%. For maximum results, use this shampoo with Full Density Densifying Spray Treatment, which works on the surface of each hair strand to expand the hair diameter.Fortified with an innovative blend of Biotin, Zinc PCA and Gluco-Omega.

Benefits of Biolage Advanced FullDensity Thin Hair Thickening Spray for Thin Hair:

- Non-greasy spray powerfully expands the diameter of each strand to reveal voluminous.

- Achieves denser hair with added body and bounce.

- Strengthens thin hair whilst reducing breakage.

Fine hair

Apply Biolage Advanced FullDensity Thin Hair Densifying Treatment Leave-In Spray onto hair beginning at the scalp in sections. Massage gently at the roots and work through the ends. Do not rinse. For maximum hair thickening results allow to dry then reapply. Style as usual. For maximum performance use the system of Shampoo and Conditioner to significantly reduce breakage for fuller-looking, thicker-feeling hair.


A little more detail:

Our hair densifying spray, works on the surface of the hair to help expand the diameter causing a thicker hair sensation, while preventing breakage. Increase hair diameter up to 9% * after a single application.

How should I use it?

Apply to the hair at the beginning of the scalp in sections. Massage gently at the roots and work towards the tips. Not clarify.

Expert Trick:

Do you want expert advice? Apply the Pro-Keratin densifying spray on the scalp in sections, massage from the roots to the tips. Once it has dried, reapply it. You will notice how it maximizes the effect.

Discover more about the ingredients of Nourish!


Biotin is a vitamin that helps strengthen the hair fiber so that the hair is less brittle and strong.

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Biolage is part of L'Oréal (UK) Limited.