I daresay Nanofil probably works like a dedicated glaze. Unfortunately, glazing is an optional step and some people love to glaze while some people skip it completely. I think sakto lang siya sa market as there's not much glazing products available in the market.

Target market is probably those who uses a medium-durability wax and details their car monthly. Personally, I correct my paint depending on severity but the general time frame is a compound once a year then a polish 2-3 (which means I'm usually avail of polishing after 3-4 months) times a year. Between those paint correcting sessions, you can effectively slot in glazing products to hide swirls.

How a glaze works is pretty simple -- minor cleaning action for some para less noticeable yun scratches and micro-fillers to "hide" them. Essentially, they're oil-based products. Great looks but poor durability. That's why ayaw tumagal ng Souveran wax ko sa panel

Alternatives include the highly coveted Meguiars M6. Poorboys Black Hole and White Diamond are also great choices.. Menzerna's Finishing Glaze too.. problem is, wala sila sa bansa so you're pretty much stuck with Meguiar's M6 or the rare-to-find-OTC Mothers hand glaze.