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Thread Starter 
Still on the lookout for a laundry detergent I can buy at Target that's HE-compatible and doesn't have optical brighteners, I convinced Target Corp. to fax me (yes, fax me!) the safety data sheet for the Up&Up brand laundry detergent.

My answer: Polyethylene glycol, diethanolamine, sodium dodecylbenezenesulfonate, and methyl ester ethoxylate.

Sorry I asked?

Google tells me that the first ingredient is a dispersant, the second is a wetting agent, and the last two are surfactants.

So that means no optical brighteners...right? Because it just somehow feels wrong to order laundry detergent online, and I'm tired of buying it at Wal-Mart.