In my opinion I would prefer to do the infini RF first and then follow it with the Palomar IPL. The IPL would then be able to take care of any redness or potential hyperpigmentation from the infini procedure. I would also suggest that the infini RF be performed with a mask of PRP post-procedure....
There is significantly more bruising and healing than our typical treatments. As Dr. Lim stated, the device is only as good as the person using it. I would use a vascular laser to improve the bruising and redness and to expedite healing.
If these are true grid marks (hard to see with the photos), it may take 6-12 months before fading. Monthly photos will reveal the outcome. If still persistent - 1927 wavelength either C and B Permea or 1927 Fraxel, low power, moderate density 2-4 sessions will often fade the marks. Time is your...