Transform thin fine hair into fuller thicker locks with Bio Silk Thickening Conditioner. Infusing fullness & thickness to each strand of hair with vitamin B & wheat proteins this conditioner is ideal for thinning hair. Silk proteins contained in Bio Silk Thickening Conditioner penetrate hair to condition & create incredible shine while UV filters protect from damaging UVA/UVB rays ensuring that your hair stays thick & full. Directions of use: After shampooing apply conditioner & work evenly through hair. Leave in for up to 5 minutes. Rinse thoroughly. Use with Bio Silk Thickening Shampoo.