I recommend Shuttle Art paintbrushes for every artist, whether they're a beginner or advanced. Real wood with a strong aluminum ferrul that doesn't clog and cause bristle loss. Available at Amazon:

https://www.amazon.com/Brushes-Multifunctional-Professional-Watercolor-Painting/dp/B095M9LKPN/ref=sr_1_6?crid=1AF61TK0Q0D59&keywords=paint+brushes+for+acrylic+painting&qid=1691541342&sprefix=paint+brushes%252Caps%252C1640&sr=8-6&_encoding=UTF8&tag=craigdeboarda-20&linkCode=ur2&linkId=c42184c775d4e6b975efcc1de1da0c84&camp=1789&creative=9325