aestheticsymbols
Use in a combo

Teardrop-spoked asterisk copy & paste

✻ is teardrop-spoked asterisk, a plain-text Unicode symbol from the Dingbats block. On Aesthetic Symbols it lives in the stars & celestial and flowers & nature collections, tagged star, sparkle, flower. As plain text it takes on the font and colour of wherever you paste it — a bio, a username, a caption or a stream title.

Unicode
U+273B
HTML entity
✻
CSS content
\273B
JavaScript
\u{273B}
UTF-8 bytes
E2 9C BB
Made of

U+273B ✻ · Dingbats

Will it show up? · Long-established text symbols

Plain-text characters from blocks that mainstream desktop and mobile fonts have covered for years. These are the safe ones.

Worked out from how each character is encoded, not from a test on a real device.