COSMETIC USE OF A NATURAL EXTRACT FROM RED BEET PEEL, COMPOSITION COMPRISING THE EXTRACT AND A METAL DERIVATIVE, AN OXIDIZING AGENT AND AN ALKALINIZING AGENT
The invention relates to a composition comprising a) at least one natural extract derived from beetroot, rich in indoles and indolines, especially beetroot peel, b) at least one chemical oxidizing agent, d) at least one basifying agent to a process for dying keratin materials that uses ingredients a), b) and d) and to the use of the extract of beetroot peel in combination with a) and b) for keratin materials. This hair dyeing process and the composition make it possible to obtain better colorations, which are more uniform, chromatic and fast, and which do not impair the cosmetic properties of keratin fibers, using an extract of ortho-diphenols, which are especially natural.