hydrolyzed whey protein.
Look for shampoos that are soap-free or have conditioning ingredients like hydrolyzed oat protein or aloe vera.
These formulations include heavy amounts of hydrolyzed wheat and jojoba proteins that coat the hair and work to seal the cuticle.
The active ingredients contain tons of hydrolyzed wheat and jojoba proteins that work to seal the cuticle.
Avoid foods that have modified food starch in them or hydrolyzed vegetable protein as these often contain gluten.