kirkland signature

Reformulated: Kirkland Signature Shampoo and Conditioner

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Costco reformulated Kirkland Signature Shampoo and Conditioner

We had a good run, Costco Kirkland Signature Shampoo and Conditioner. I’ve been using this duo since the TRESemme-induced hair loss I shared in January 2021, but alas – I’ve run afoul of a discontinuation-style issue.

This Again?

It isn’t a true discontinuation. Costco reformulated within the last year or so. I only just started using the new formula at the end of June because I was still working through my liter bottles of the previous formula.

I didn’t realize it was a reformulation (as opposed to just a packaging refresh) until three weeks ago. My hair started becoming a nightmare to wrangle again, symptomatic of overexposure to protein (everyone is different, you may never experience this!), but it didn’t click immediately.

Was it stress? No, that’s just a constant at this point. Eventually, I scrutinized the ingredients list on the new bottles – yep, go figure. The old formula had protein, but it was one of the last few ingredients – so there was less of a concentration of it. It doesn’t seem like my hair can’t deal with any, just either 1) high concentrations and/or 2) specific varieties. Alas, my hair is not tolerating the Costco Kirkland Signature Shampoo and Conditioner’s new formula well.

If it is still working well for you, GOOD! I still have faith in the product. This time, truly, I am the problem.

What Now?

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Kirkland Signature Shampoo and Conditioner

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Busy. Tired of spending money to try to find a good product. Tired in general. Got better things to do than troubleshoot why your hair is acting like an unhinged psychopath? Does this sound like you?

I could pitch you some expensive, fancy, salon or prestige product and you could spend an arm and a leg on it…

…or you could just chill and get Costco’s liter-sized Kirkland Signature Shampoo and Conditioner.

While I’m a content Costco customer, don’t worry – I’m not a sample-rabid zombie. I just appreciate a good value – and Kirkland Signature Shampoo and Conditioner is certainly that.

Since my hair loss disaster (I’m all better!), I switched primarily to the wholesaler’s in house product. I didn’t do extensive product testing or sampling; I just picked it up in my usual groceries because my time is currently at a premium.

Why?

First, Quality

The formulas of Kirkland Signature Shampoo and Conditioner are salon-tier, and that is not just marketing hype. We’re talking a sulfate-free conditioner (its main surfactant is used by Ethique bars). It is gentle on my balayage, doesn’t dry my hair out, make it brittle, make it flat, etc.

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Kirkland Signature Makeup Wipes

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Kirkland Signature makeup wipesKirkland Signature makeup wipes

A few months ago I shared that I bought a gigantic pack of Kirkland Signature makeup wipes. I’m a good way into the pack by now and feel like I’ve used them enough to speak to them.

First, the packaging. The thickness of the Kirkland Signature makeup wipes’ packaging isn’t quite as substantial as some other wipe brands, but that doesn’t bother me – it still retains moisture in the wipes. It is slightly more convenient to open and close the full sized packs (as compared to the Ponds and Simple wipes I used previously) because it has a hard plastic lid.

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