Bio Keratin Gold Horsetail Plant Extract Hair Care Mask provides care for hair length and skin thanks to the natural Horsetail Extract and Tea Tree oil it contains. It helps the hair to be restructured and grow faster. It regains the moisture lost by the hair. It repairs damaged and dull-looking hair after dyeing processes and gives shine. Increases the durability of hair. It has a strengthening effect for slowly growing hair. NOTE: Not tested on animals.