I’m debating about buying another sheitl or trying hair extensions. If hair extensions cover all of my hair, is that halachicly acceptable? Thanks.

Hashem Imach, If it really covers all your hair, or leaves up to 4 cm. uncovered, than it shouldn’t be different than a wig (sheitl) and would be permissible (so why is it called an “extension”?). Nevertheless, just like with wigs, one must be careful not to wear something which is especially attracting, which defeats a main purpose of the mitzvah of haircovering for married women. Ktiva v’Chatima Tova! Rav Ari Shvat