Natural Bristles Will Deeply Exfoliate Away Roughness And Dirt By Revealing Newer Skin Cells.No Chemicals used During Production Process. Absolutely food Safe.Coir Bristles do not Melt. So the Brushes can be used Directly on Hot Pans Coir Absorbs Oil and so, it Retains Oil which help is Better Spreading Natural Bristles Scrubber Bath Brush Massage.