I have thick, curly hair — and this $21 hair serum is my secret to taming frizz

This AG Care Vita C Serum Vitamin C Strengthening Sealant is my daily go-to — here’s why (Photos via Amazon).Maintaining curly hair isn’t as easy as some might think. Mine is prone to frizz and can be difficult to handle. So, when I tried AG Care’s Vita C hair serum for the first time, the…