Serie Expert Pro Longer Mask - thickening and revitalizing

Description: Rebuild and thicken long hair with L’Oréal Professionnel Serie Expert Pro Longer Mask - a rich, restorative treatment designed to renew fragile lengths and ends. Powered by Filler A-100 technology and Amino Acids, this creamy mask penetrates deep into the fiber, repairing and filling thinning areas from within. It strengthens the hair structure, restores smoothness and shine, and protects against future breakage. Ideal for long, fine, or damaged hair in need of density and vitality.

For hair: Long, fragile, or thinning hair needing intensive repair and volume.

Benefits:

• Deep repair and thickening of hair fibers
• Strengthens fragile lengths and ends
• Restores shine, smoothness, and density
• Provides long-lasting nourishment and protection

How it works: Filler A-100 fills and reinforces weakened areas, while Amino Acids help rebuild the surface and improve texture. Hair becomes visibly thicker, smoother, and healthier with each use.

Result: Thicker, stronger, and shinier hair with improved elasticity and natural fullness.

Ingredients: Key actives: Filler A-100, Amino Acids.
*Full INCI list available on packaging.