HEALTH & BEAUTY HAIR COLOR & DEVELOPER POLY COLOR Weight: Introducing POLY COLOR NATURAL DARK BROWN HAIR COLOR 43. This revolutionary hair color provides a natural look for brown-haired women of all ages. With its rich, dark color, its perfect for creating depth and character without bleaching or artificial dyes. Plus, its environmentally friendly and wont damage your hair like other hair colors can. So why wait? Say goodbye to grays and be bold with a new look. Poly color natural dark brown hair color 43 is the perfect way to show youre daring and beautiful all at once. With its rich, dark hue, this hair color will help you stand out from the crowd while still retaining that natural look.