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*** The source of Glycerin is not specified by the manufacturer and could be from Coconut Derivatives (does NOT exclude all fragrances) or Soy or Zea Mays (Corn)
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Product Description

With just one treatment, Joico's K-PAK Color Therapy Luster Lock unlocks color vibrancy, shine, and strands that not only look healthier but are stronger.

Benefits
  • Maintains over 82% of haircolor for up to 8 weeks
  • Repairs & strengthens damaged hair**
  • Instantly 9X stronger hair 
  • Twice the shine 
  • Boosts color vibrancy

Hang tight. We're thinking.