But ... in the meantime, any manufacturers who can package their liquid/gel products in clear containers would likely be able to sell all they can make.
(I realize their may be some products that shouldn't be exposed to light).
What good would that do? The contents could still be some Jihad Joe concoction instead of what it says on the label -- at most, it would need a bit of dye to make the color match (just in case the TSA drone recognizes one specific product out of thousands).