Look. If you're a novelty Unicode spam account (cough) or are using them in a non-information-critical way, then go ahead and use
https://en.wikipedia.org/wiki/Mathematical_Alphanumeric_Symbols for fake styling.
But don't use them to convey information.
---
Now is the MATHEMATICAL ITALIC SMALL P MATHEMATICAL ITALIC SMALL E MATHEMATICAL ITALIC SMALL R MATHEMATICAL ITALIC SMALL F MATHEMATICAL ITALIC SMALL E MATHEMATICAL ITALIC SMALL K MATHEMATICAL ITALIC SMALL T time to stop using math symbols as letters.
---
R:
https://twitter.com/FakeUnicode/status/1029861801507213312