If you wish to make a shampoo formulation that helps "fix split ends" you would probably add some

Question

Quizplus · Accepted Answer

Adding protein to a shampoo formulation can help repair and strengthen the damaged hair that leads to split ends. Protein helps to restore the hair's natural structure and prevent further breakage. Additional detergent may strip the hair of natural oils and make the problem worse, astringent may dry out the hair and scalp, and pH balance alone may not address the underlying issue.

If You Wish to Make a Shampoo Formulation That Helps