I Want to Get IPL to Help Lessen Redness, Will It Stop Me From Growing a Beard?

This is a very good point which I always tell my patients. IPL treatment may reduce the amout of hair density on your face. Dr Behnam

The settings used for the  treatment of pigmentation and redness with IPL
should not cause permanent hair reduction in the beard, however there very
well may be a temporary decrease in the density of your beard and you may
temporarily  have a patchy appearance to the stubble.  The hair follicle is
deeper in the dermis and requires a different IPL filter and setting than
the ones used for Photofacial or skin rejuvenation results.  There are some
IPL machines that have hand pieces for hair removal but if you are being
treated with the skin rejuvenation parameters, these energy parameters will
generally not cause long term damage to the hair follicles.

By seeing a physician who is a members of the  American Society for Plastic Surgery you can not only get advised on skin issues but surgical issues too.

IPL treatments can be very effective for evening out your skin tone. However, the treatments can inhibit hair growth so a patchy beard can definitely be a side effect. There are other treatments for redness such as the V Beam or Xeo laser that will not affect hair growth. For pigmentation you may want to consider peels or bleaching creams.