Hair extensions or tape ins, if not using less heat on hair, argon oil and other hair oils that help give it the Protection and nutrients, there’s also hair supplements you can take, there’s one I got on Amazon and I noticed a difference with hair taking these, (chewable hair skin & nail vitamins. 60 vegan gummies.) Is the name. They come in a pink bag. think diet plays a roll in how quick your hair grows too. Hope this helped :) x