If your coating is not beading anymore, the reason might be simple. The surface accumulated contamination (tar, tree sap, metallic contamination) with time. Your coating is still there and protects your car against UV rays or chemicals. We recommend performing chemical decontamination with the help of Q²M Iron & Q²M Tar to remove contamination and use Q²M Cure or Q²M WetCoat to restore initial repellency.