[Routine Help] Getting into skincare again! Recently purchased PC's RESIST Advanced Kit and have a 20% off coupon for one more product. What would be a good complimentary product to get?

Beauty Tips For Body Care
I'm a 31 year old male who, after a year of neglect, decided to get back into taking care of my skin. I recently purchased the RESIST Advanced Kit for Normal to Dry Skin and have a coupon for 20% another product. I was wondering if anyone had any suggestions for which product to purchase that would compliment the RESIST kit. Any ideas or suggestions would be great! Thanks!
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Submitted by TheDoctorZorders