Abigail asked this question because she relaxes her hair herself and doesn't know why her hair is always stiff now so I hope this helps you!
1st Reason: Not enough protein in relaxed hair is a common issue.
Use products that contain hydrolyzed protein to restore protein.
Protein Restoring Product Recipes in my book. ”The Natural Hair Bible”
2nd Reason: Deep Condition weekly until you see improvements.
Deep Conditioning Product Recipes in my book “The Natural Hair Bible”
3rd Reason: Evaluate the quality of your hair products.
Hair Product Guidance and Suggestions “The Natural Hair Bible”
Thanks For Watching!