Garbo’s Anti-Fading Shampoo – Liter description

what Garbo’s Anti-Fading Shampoo – Liter is

gentle, low pH formula extends the life and vibrancy of deposited hair color for reds and brunettes.

why 

• low pH (3.5-4.5) does not disturb hair cuticle
• continuously deposits color intermediates
• increases the moisture content of dry hair
• sulfate and salt-free
• concentrated formula
• no petrochemicals
• formaldehyde-free
• no animal testing
• gluten-free