Redken ends sealer


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A biotin-enhanced treatment for all hair types that seals split ends and builds strength from root to tip.


Say hello to longer, stronger hair and goodbye to split ends with Redken Extreme Length Sealer. This leave-in treatment repairs split ends and prevents future breakage for shiny, soft, healthy hair that grows. Formulated with Redken’s exclusive Interlock Protein Network, Extreme Length Sealer rebuilds surface damage, strengthens hair’s core and delivers progessive, weightless conditioning to distressed hair. Achieve your maximum hair length-- up to 6 inches in a year*-- with Redken Extreme Length Sealer.

Why is Redken Extreme Length Sealer perfect for my long hair?

  • Leave-in treatment formulated with biotin
  • Seals and improves the appearance of split ends
  • Builds strength from root to tip
  • Prevents future breakage
  • Provides weightless moisture
  • Experience up to 6 inches of new hair growth in a year*
  • Exclusive fortifying complex penetrates hair for a healthy, resilient look
  • 18-MEA protects shine
  • Ceramide strengthens hair to prevent future damage
  • Interlock Protein Network conditions, nourishes and strengthens hair at the core
  • Can be applied on damp or dry hair
  • Safe for use on colour-treated hair
  • 50ml


*When used with Redken Extreme Length Shampoo and Primer