Question 1

What is the different between this and M21?

Accepted Answer

M7 is a show car GLAZE. It has absolutely no protective properties. It's primary purpose was to create an out of this world shine for show cars which you would top with your high end wax or sealant. M21 is a synthetic polymer SEALANT. It has protective properties that will protect your paint from UV, acid rain, and industrial pollutants for months if cared for properly. You could use M7 to polish your car, then use M21 to protect your paint. According to Meguiars, they have improved the formula of M21 to give off a better shine than previously.

Question 2

Does it restore headlights better than plastx ?

Accepted Answer

No, although in theory not harmful to headlights this will not do much to restore a headlight. If you are looking to restore headlights you really should consider PlastX or one of our Headlight Restoration Kits.

Question 3

Does this contain abrasives or no abrasives? Reviews/comments have conflicting info. Please advise! Thanks!!

Accepted Answer

Ignore the responses and check Meguiar's website or their online forum.  There are no abrasives in M7.  It is not a polish.  It is a glaze.  Meguiar's has products that are polishes and they are called polishes.  This is called a glaze and not a polish for a good reason - see where I'm going with this?  :)   While there are many different descriptions of a glaze used by different companies, Meguiar's suggests this as a final layer (on top of wax or sealant) just before a car show, to fill any microscopic scratches but it will not last as long as a wax or sealant.  Because of the large amount of oil in this product, it will fill in the scratches and really give that 'liquid smooth' look but it won't remove the scratches.  That's what a polish does.  They also suggest this be applied to single-stage paint so the oil can add depth of color back to the paint after compound or polish and before wax or sealant.

Question 4

So, 21 or 26 after 7 application?

Accepted Answer

Definitely a 26 after 7 applications

ASIN	B0002UQAM0
Best Sellers Rank	#6,590 in Automotive ( See Top 100 in Automotive ) #64 in Waxes
Brand Name	Meguiar's
Compatible Material	Metal
Customer Reviews	4.6 4.6 out of 5 stars (2,831)
Global Trade Identification Number	00070382107161
Included Components	Great Product
Item Dimensions	2 x 4 x 9 inches
Item Type Name	Great Product
Item Weight	1 Pounds
Manufacturer	Meguiar's
Material Type	Plastic
Model	M0716
Number of Items	1
Part Interchange Info	M0716
Part Number	M0716
UPC	070382107161
Unit Count	16.0 Fluid Ounces
Warranty Description	Warranty

Meguiar's M716 Mirror Glaze Show Car Glaze, Exceptional Polish Restores a Deep Wet Shine - 16 Oz Bottle (Packaging May Vary)

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