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
9X stronger hair*
89% less breakage*
Instantly healthier-looking hair