Does Keratin Shampoo Really Straighten Hair?
If you’ve ever wondered whether keratin shampoo can transform your curly or frizzy locks into sleek, straight strands, you’re not alone. The beauty world is buzzing with claims about keratin-infused products promising smoother, shinier hair with every wash. But how much truth is there behind these promises? Understanding what keratin shampoo really does—and doesn’t do—can…