The secret: Costco’s Kirkland Signature Moisture Shampoo is Pureology Hydrate Shampoo in disguise. The disguise is the Kirkland label and the low Costco price. But the disguise isn’t very good as the Kirkland packaging is the same purple color and the shampoo smells like Pureology. What shampoo has the most salicylic acid? salicylic acid shampoo.

What kind of shampoo does Costco carry?

The secret: Costco’s Kirkland Signature Moisture Shampoo is Pureology Hydrate Shampoo in disguise. The disguise is the Kirkland label and the low Costco price. But the disguise isn’t very good as the Kirkland packaging is the same purple color and the shampoo smells like Pureology.

Does Costco still have Kirkland shampoo?

Kirkland Signature Moisture Shampoo After Costco members on Reddit spotted it, they alerted others to the discontinuation. Thankfully, it was short-lived and new formulas have since debuted in stores. If you’re a fan of the old one, though, it’s probably super tough to get your hands on it any longer.