Skincare advice please

[Ricksheadtilt]

I quit smoking 6 weeks ago (yay!!). All is good. But my skin is totally different now. Obviously it looks brighter etc, but really gone downhill otherwise. I've never had spots before, but I've got spots, patches of spots, under the skin spots.
Is it possible that my chemical makeup has changed so much that I need to change my routine & products?

Are you doing the typical ex-smoker thing of eating more junk food in place of the cigs?
Biscuit with coffee rather than a smoke?
Or sweets at the Newsagent?

If it is, then it should be a short term thing now it's getting the nicotene out of your system.

Quite the contrary. So many foods I've gone off... Most of them junk. Also gone off tea and switched to green tea.

The only 'craving' I get is water - I seem constantly thirsty?