The big bottle. DAMAGE SHIELD Protective Conditioner in a 473ml size, so you're stocked up for months (and it pairs with the shampoo jumbo).

A nourishing conditioner that softens and detangles without weighing hair down. K18 says the K18PEPTIDE™ helps replenish protein lost during washing, and that it helps protect against UV rays, environmental aggressors and daily styling for up to 3 days.

Why you'll love it

• Softens, smooths and detangles
• No film-forming silicones or waxes to build up
• Helps shield hair from daily damage
• Generous 473ml size