L'Oréal Professionnel Paris Pro Longer Mask for Long Thin Hair — Reduces Split Ends, Adds Softness & Shine

L'Oréal Professionnel Paris Pro Longer Mask is an intensive thickening treatment that renews long, thinned ends, reduces the appearance of split ends, and restores softness and shine.

Designed for long hair that becomes fragile at the tips, this salon-grade mask uses the brand’s patented Filler A-100 molecule plus amino acids to thicken and resurface the hair fibre. When used in a routine with Pro Longer Shampoo, it visibly reduces the appearance of split ends and helps hair feel stronger, smoother, and more manageable.

How does this mask reduce the appearance of split ends?

The formula deposits a concentrated filling molecule into weakened lengths, rebuilding the surface of the hair fibre to make ends look fuller. Amino acids support the fibre’s strength so strands resist further breakage and look healthier overall.

• Contains patented Filler A-100 to thicken and resurface fibres
• Amino acids reinforce and fortify weakened lengths
• Clinical result: noticeable reduction in split-end appearance when used with the Pro Longer shampoo

Will this weigh down my fine or thin hair?

Pro Longer is formulated specifically for fine and thin hair, so it targets ends without overloading roots. The mask delivers hydration and density to the tips while maintaining a lightweight feel when rinsed properly.

• Fine-tuned texture for thin strands to avoid heaviness
• Apply primarily to lengths and ends, not the scalp
• Use 1–2 times weekly for deeper conditioning without daily buildup

How do I use the mask for best results?

Apply to freshly shampooed, towel-dried hair, focusing on the mid-lengths and ends. Leave on for 3–5 minutes, then rinse thoroughly; for an occasional intensive treatment, use in place of conditioner once or twice a week.

• Step 1: Shampoo with Pro Longer Shampoo for full effect
• Step 2: Evenly distribute mask through damp lengths and ends
• Step 3: Leave 3–5 minutes, rinse; use weekly for deeper renewal

What improvements can I expect and when?

You’ll notice softer, shinier lengths and improved manageability after a few uses, with visible reduction in the appearance of split ends when combined with the full Pro Longer routine. Strength and resistance to breakage improve over continued use.

• Immediate: enhanced softness, easier detangling, added shine
• Short term: reduced visible split ends and smoother ends
• Long term: strengthened lengths with regular use alongside Pro Longer shampoo

Who this is for: L'Oréal Professionnel Paris Pro Longer Mask is aimed at people with long, fine or thin hair that shows signs of thinning at the ends or frequent breakage. It’s suited to anyone wanting a salon-strength mask that targets length renewal, improves texture and appearance of split ends, and fits into a professional haircare routine.

Ingredients

Aqua / Water / Eau, Cetearyl Alcohol, Amodimethicone, Hydroxypropyl Starch Phosphate, Isopropyl Myristate, Behentrimonium Chloride, Phenoxyethanol, Trideceth-5, Isopropyl Alcohol, Trideceth-6, Glycerin, Caprylyl Glycol, Arginine, Panthenol, Trideceth-10, Lactic Acid, Cetrimonium Chloride, Benzyl Salicylate, Benzyl Alcohol, Linalool, Limonene, Acetic Acid, Hydroxycitronellal, Citronellol, Aminopropyl Triethoxysilane, Alpha-isomethyl Ionone, Polyquaternium-6, Parfum / Fragrance. C241158/1.