HEALTH & BEAUTY HAIR COLOR & DEVELOPER L'OREAL Weight: Introducing L'OREAL EXCELLENCE HAIR COLOR 4.1 PROFOUND BROWN – the richest, darkest brown hair color available. This natural-looking shade is perfect for anyone who wants to add depth and dimension to their look. Its deep pigment will enhance your complexion while its silky texture provides natural shine. Plus, it's safe for all hair types – including delicate locks – so you can feel confident about your new 'do. This unique formula provides deep, rich brown hair that is easy to maintain and lasts up to four washes. Plus, it's ideal for those with coarse, frizzy hair.