L'Oréal Professionnel Serie Expert Pro Longer 10-In-1 Leave-In Cream 5.1 oz is a professional multi-benefit heat protectant treatment formulated for long hair with thinned or split ends. Powered by patented Filler-A100 technology and Amino Acids, this lightweight leave-in cream helps strengthen weakened lengths, reduce breakage, smooth frizz, and protect hair from heat up to 450°F while leaving hair silky and shiny.

What It Does
This salon-quality leave-in cream instantly renews the appearance of damaged lengths by plumping and resurfacing weakened hair fibers. The lightweight formula helps reduce visible split ends while improving softness, manageability, and shine without weighing hair down.

Key Benefits
• Helps reduce the appearance of split ends by up to 41%
• Strengthens long fragile hair and reduces breakage
• Protects hair from heat up to 450°F / 230°C
• Adds softness, shine, and smoothness
• Lightweight texture without greasy buildup
• Helps improve manageability and detangling
• Ideal for long hair with thinning or damaged ends
• Multi-benefit 10-in-1 professional formula

Ingredient Highlights
• Filler-A100 technology helps thicken and resurface damaged ends
• Amino Acids help strengthen weakened hair fibers
• Panthenol helps improve softness and moisture retention
• Conditioning agents help smooth and protect hair during heat styling

How to Use
Apply a small amount evenly through towel-dried lengths and ends. Do not rinse. Blow dry or heat style as desired. For best results, use with the full Pro Longer shampoo and conditioner system.

Community Feedback
Users frequently mention that Pro Longer Leave-In Cream leaves hair noticeably smoother, softer, and shinier while helping reduce visible breakage and split ends. Many reviewers especially praise the lightweight texture and strong heat protection benefits without making hair greasy or heavy.