Living Proof Full Thickening Mousse
An ultra, lightweight mousse that provides flexible volume to help fine, flat hair to look, feel and behave like naturally full, thick hair. It is powered by our patented Thickening Molecule (PBAE), which creates thickening dots between hair strands so it feels like you have thicker hair. PBAE lasts 5x longer.
- provides long lasting thickness and fullness
- light hold that doesn’t collapse or become stiff
Full Thickening Mousse is ideal for fine, flat hair. It is silicone-free. Safe and formulated for color and chemically treated hair.
| Product Size | 5 oz |
|---|---|
| Key Ingredient | Patented Thickening Molecule (PBAE) |
| For Hair Type | Fine, flat hair |
| Formulation | Silicone-free, safe for color and chemically treated hair |
FAQ
How long does the thickening effect last?
The thickening effect from the patented Thickening Molecule (PBAE) lasts up to 5 times longer than traditional mousse products.
Is this mousse suitable for color-treated hair?
Yes, it is formulated to be safe and effective for color-treated and chemically processed hair.
Does it add weight to fine hair?
No, it is ultra-lightweight and provides volume without adding heaviness or stiffness to fine hair.

Bella Paige –
This mousse transformed my fine hair. It gives a natural fullness without feeling heavy. I’ve used it for weeks and the volume lasts through the day. My hair looks healthier and more voluminous after each use.
Frank Hunter –
Great for flat hair. It adds volume without stiffness. Works well with my colored hair and doesn’t damage it. A little goes a long way, and it’s easy to apply.
Una Duncan –
I was skeptical at first, but after trying it, I can’t imagine using a different product. My hair feels thicker and bounces better. It’s lightweight and doesn’t leave any residue.