TRESemmé Keratin Smooth Shampoo does not contain formaldehyde. The official website states that their shampoo contains keratin and natural oils, which is why it helps to smooth and soften hair without the use of harsh chemicals. Formaldehyde is a hazardous chemical that can be found in some hair products, however, TRESemmé’s products are free of it.

Is Tresemme keratin shampoo Sulphate free?

Yes, the Tresemme Keratin Smooth Shampoo is a sulfate-free formula designed to help protect and strengthen hair. It contains keratin and is designed to leave hair soft, smooth, and manageable.

What chemicals are in Tresemme shampoo?

Tresemme shampoos contain a variety of chemical ingredients, including cocamidopropyl betaine, sodium laureth sulfate, polyquaternium-10, hydrolyzed wheat proteins, disodium EDTA, methylparaben, and propylparaben. Tresemme also uses fragrances, preservatives, and other ingredients that are not listed on the label.