The paraben-, sulfate-, phthalate-, and synthetic fragrance/dye-free formula ... and formaldehyde-releasing agents, and all ...

People with dry, brittle hair may find a sulfate-free shampoo less likely ... Learn more about whether sulfates in shampoo are dangerous. Formaldehyde is used in certain cosmetic products as ...

While some hair loss is completely normal and unavoidable, a hair expert shared a word of warning when it comes to shampoo ... should be avoided - sulfates, formaldehyde, keratin and dimethicone.