L'Oréal Professionnel Paris Pro Longer Thickening Shampoo — 250ml for Fine & Thin Hair, Reduces Breakage & Split-Ends

L'Oréal Professionnel Paris Pro Longer Thickening Shampoo is a salon-grade shampoo engineered to thicken fragile lengths, reduce breakage, and improve shine for thin or fine hair.

If you notice hair that looks thinner toward the ends, snags easily, or appears dull, this shampoo targets those issues with a concentrated filling technology and amino acids. It was created to rebuild and reinforce the hair fiber along the lengths so strands behave and look fuller while maintaining a lightweight finish. Use it in a two-step wash routine and follow with the matching conditioner or mask for best results.

How does this shampoo address thinning and split ends?

The formula uses a patented filler molecule to coat and bulk up weakened hair fibers, and amino acids that help reinforce strands. Together these ingredients reduce visible fraying and make lengths less prone to snapping.

• Patented Filler A-100 concentrates filling molecules at the mid-lengths and ends.
• Amino acids help strengthen the hair fiber’s structure where it’s most thin.
• Regular use rebuilds texture so ends appear fuller and less torn.

What noticeable improvements will I see and when?

Instrumental testing shows substantial reductions in breakage and measurable improvement in split-end appearance after consistent use. You’ll also notice increased surface shine and added lift along the lengths, making hair look healthier overall.

• Significant reduction in breakage with routine use.
• Visible decrease in the look of split ends over time.
• Up to five times more shine for a smoother, reflective finish.

How should I use Pro Longer Thickening Shampoo for best results?

Apply the shampoo to wet hair and work it into a rich lather, rinsing thoroughly. For a deep treatment effect, shampoo twice: the first wash cleanses, the second applies the active thickening system. Finish with the Pro Longer Conditioner or Treatment Mask to lock in benefits.

• Wet hair, apply, lather, and rinse thoroughly.
• Shampoo twice: first for cleansing, second for treatment.
• Follow with Pro Longer Conditioner or Mask to strengthen and seal.

Will this weigh down my fine hair or change my styling?

The concentrated filler and amino acid system is designed to thicken without heavy residues, so fine hair gains body without an oily or weighed-down feel. It supports styling by improving texture and reducing breakage during heat or mechanical styling.

• Lightweight thickening that avoids heavy buildup.
• Helps hair resist breakage during styling and brushing.
• Improves texture for smoother, more manageable styling results.

Who is this for: Pro Longer Thickening Shampoo is intended for people with fine, thinning, or damaged ends who want salon-level rebuilding and visible fullness. It’s especially helpful for those seeking to reduce breakage and the appearance of split ends while increasing shine and body. For optimal outcomes, include the matching conditioner and mask from the Pro Longer collection as part of a consistent haircare routine.

Note: Instrumental test results referenced by the brand reflect controlled measurements; individual results may vary depending on hair type and usage.

Ingredients

Aqua / Water / Eau, Sodium Laureth Sulfate, Sodium Chloride, Cocamidopropyl Betaine, Dimethicone, Citric Acid, Hexylene Glycol, Sodium Benzoate, Sodium Hydroxide, Amodimethicone, Carbomer, Guar Hydroxypropyltrimonium Chloride, Trideceth-10, Glycerin, Salicylic Acid, Glycol Distearate, Arginine, Panthenol, Mica, Benzyl Salicylate, Benzyl Alcohol, Peg-100 Stearate, Linalool, Steareth-6, Phenoxyethanol, Limonene, Coco-Betaine, Trideceth-3, Hydroxycitronellal Ci 77891 / Titanium Dioxide, Citronellol, Alpha-Isomethyl Ionone, Aminopropyl Triethoxysilane, Acetic Acid, Fumaric Acid, Polyquaternium-6, Parfum / Fragrance. C240982/2.