Absolutely! If you're a salon regular, ask your colorist for the exact shade reference (like 7.5 for medium golden blonde on color boxes). If they're not forthcoming, choose a tone-on-tone or permanent formula one shade lighter than your visible roots—this blends seamlessly without darkening your lengths. DIY enthusiast? Apply your usual shade only to roots, then emulsify with a little water 5 minutes before the end to avoid demarcation lines.
Yes—the key difference is no sulfates (surfactants that lather but strip pigments). Instead, they feature gentler surfactants and acidic pH agents that seal cuticles, locking in color. "These extend intensity and hold by at least 15 days," shares colorist Romain. Heading to the beach or pool? Use styling products with oils, ceramides, or silicones to protect against humidity's oxidizing effects.
Hair color is subjective—many women perceive it darker than reality. Boxes show outcomes on at least three base shades (light to dark). Blondes eyeing light brown often reference the brown swatch, leading to disappointment when results vary.
Thanks to Frédéric Mennetrier, L'Oréal Professional color consultant and colorist at Atelier Blanc (6, rue Mayran, Paris 9th), and Romain, creator of Romain Colors XXVII salon (27, rue La Boétie, Paris 8th).
