Hi! I have 3b hair, like your daughter's, and it does have a tendency to grow bigger before it grows longer.
- How long is your daughter's hair now?
- Do you use leave-in conditioner and/or gel in her hair?
- Have you considered the "curly girl method"? Many curlies find this sulfate-free and silicone-free method helpful to keep their curls moisturized and frizz free. Less frizz means less volume.
- Also, a good haircut does wonders!
You're an awesome mom for coming on here looking for info! I know my mom struggled to understand my hair growing up. Just remember to be nice to her as to not hurt her self-esteem as you figure things out together. Curly hair is an adventure!