PTZ Crystal Serum Review: Is This “10-Year” Ceramic Coating a Scam?
If you’ve spent any time on TikTok or Instagram lately, you’ve likely seen the ads: a weathered, dull car is transformed into a mirror-finished masterpiece with a single wipe of PTZ Crystal Serum. The promises are bold—9H hardness, scratch resistance, and a staggering 10+ years of protection. But as the old proverb goes, “Not all…