Kerastase Masque Vert Chroma Neutralisant Hair Mask 5.1 OZ

This color-correcting hair mask neutralizes unwanted red undertones for a deep, cool brunette hair color. Ideal for darker color-treated hair, this mask hydrates and strengthens the hair fiber to prevent future breakage.
Note: Do not use on blonde / lightened hair colors.

Instantly neutralize red undertones for a cooler dark color
Fiber is 53% stronger with reduced breakage*
*Vs. Untreated Hair

Awarded Marie Claire's Excellence in Beauty Awards 2022

Use once a week - or as often as needed - depending on your needs. Wear gloves and do not use on blonde / lightened hair colors. Apply to shampooed and towel-dried hair. Massage through lengths and ends. Leave on for maximum 5 minutes depending on desired level of neutralization. Rinse thoroughly.