The Best Argan Oil 4N Hair Color Ideas. Web arrives by fri, mar 24 buy argan oil permanent hair color 4nn rich natural medium brown at walmart.com I mix 4n with 3n to make the dark.

Our argan oil permanent color cream is a hair color hero! Infused with 100% argan oil for smoothness and shine. Web there are nine distinct colors in the series including 1n (very black), 2n (black), 3n (dark natural brown), 4n (medium natural brown), 5n (light natural brown), 6n (dark natural blond), 7n (medium natural blonde), 8n (light natural blond), and 10n (lightest natural blond).