From the manufacturer: 

Malibu C Hard Water Wellness Collection is your first defense against malicious minerals and other elements hiding in your hard and well water. This 100% vegan total wellness kit is predictably popular as it instantly removes and prevents discoloration, dryness, damage, and dullness to reveal your real hair's unmatched body and shine. 

Kit Contents:

• Malibu C Hard Water Wellness Shampoo (9 oz)
• Malibu C Hard Water Wellness Conditioner (9 oz)
• Four FREE Malibu C Hard Water Wellness Treatments (5 grams each)

Benefits:

• Removes surface mineral buildup (remedy)
• Eliminates calcium and magnesium buildup which may irritate scalp (remedy)
• Eliminates discoloration 
• Protects against future mineral deposits
• Safe enough for daily use
• Ultra-hydrating for dry, damaged hair

Features:

• Exclusive sulfate-free surfactant technology
• Fresh-activation technology (remedy)
• 100% Vegan and cruelty-free
• Nourishing wellness ingredients
  • L-ascorbic acid
  • Betaine
  • Flax protein
  • Allantoin