Goldwell Topchic hair dye 60ml 4-BP a high quality professional product, ideal for those who want precise and long-lasting colouring. Thanks to its advanced formula, it guarantees perfect coverage of white hair, giving intense and brilliant reflections. The 4-BP shade offers a deep brown color with delicate cold highlights, perfect for a natural and refined look. Easy to apply, it ensures uniform color distribution, while protecting the hair structure. Goldwell Topchic synonymous with innovation and reliability, appreciated by industry professionals for superior quality results. Discover vibrant, long-lasting color that enhances every hair type.