You are correct that the white bristles are not as stiff as were the green bristles. You might want to try the orange pot and pan brushes. Regarding the bristles falling out; serrated knives and any utensils or cookery that have 'notches' (such as a diamond shape) will pluck bristles from the brush. Green brushes were discontinues because the new minimum order quantity of filament (bristles) is a 40-year supply.