Reformulated: Kirkland Signature Shampoo and Conditioner

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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Starch as Non-Aerosol Dry Shampoo

I switched away from conventional, aerosol dry shampoo well-before the news broke that the dry shampoo cans have been spewing poison at an uncomfortable rate. Instead, I use tapioca starch as non-aerosol dry shampoo to minimize oil between washes.

Non-aerosol dry shampoos have been available for a while. However, many of them come in the form of foam that claims to dry quickly. I haven’t tried them personally as they seem impractical; even if they dry fast, damp-looking roots can still be a problem. If I have time for damp hair, I would prefer to wash and dry it quickly.

Instead, on Jean’s advice, I use tapioca starch decanted into a few containers that I apply with a brush or puff. I realize this might sound like lunacy, so here’s more detail on HOW I go about using it:

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Store Hair Tools with Care

Store hair tools, including irons, with care to prolong their lifespan!

Embarrassingly, I had a heated hair tool become problematic recently. I had my Hot Tools iron stored with a bunch of tools in a drawer. I hadn’t used it in a while, but needed to be presentable for some Mandatory Fun at work. Since my hair was dry, the Airwrap wouldn’t be a good fit. Thus, I reached for a reliable tool to do some quick low-effort wrangling of my hair.

What I found, though, was that the handle of the iron was odd: the texture wasn’t the same. It was inconsistent and, inexplicably, tacky or sticky. This wasn’t because of product build up, though – we’re talking the handle, not the barrel.

Weird, but Maybe It’s Fine?

…or, maybe not. I tried to clean it; no dice. I ventured and gave using it a shot anyhow, because nothing was unsafe from an electrical or heat perspective. This was a mistake, though: strands of my hair stuck to the handle as I curled. I ended up pulling out a few strands as a result. Ow.

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Lab Finds Benzene in More Dry Shampoo

Early last week, I wrote an informative and scathing piece on carcinogens in dry shampoo. The news on the matter was focused on brands under Unilever’s umbrella, but unfortunately independent analytical lab Valisure found benzene in more dry shampoo.

How Many?

Not in a few. 70% of the latest round of tests, featuring 150 batches from 30+ brands across multiple parent companies, came back with high levels of exposure. Here are just some of the affected brands:

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Recall: Carcinogens in Dry Shampoo

We had a post go live today, but I sat down this afternoon and wrote a whole entire ‘nother because this is NONSENSE. First, sunscreen. Now, there’s a multi-brand recall due to carcinogens in dry shampoo. It’s the same we’ve been seeing in sunscreen: benzene.

The amount of things being recalled for benzene in the last few years is too damn high. Carcinogens weren’t even really top-of-mind for me when I stopped buying dry shampoo a while back (which I JUST shared before this news hit), but there’s a hell of a good reason!

The Affected Brands

Per the release, which you can read on FDA.gov, this recall applies to products under Unilever’s sprawling umbrella. If you use any of these,

  • Dove
  • TRESemme
  • Nexxus
  • Suave
  • Tigi

You need to check the UPC and lot codes, which you can do here, to see if you need to take further action. Please note that just because you bought it recently doesn’t necessarily mean it was manufactured super recently! CHECK.

If it isn’t one of these, you may be in the clear – but I’ll come back to this.

Reimbursement

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Why I Quit Buying Dry Shampoo

Somehow, I forgot to mention in this post that I quit buying dry shampoo. That doesn’t mean I wash my hair every day – which is both time consuming and often times too much for our hair and scalp.

Why I Quit Buying Dry Shampoo

I’ve used several dry shampoo products in the past that I’ve enjoyed. Unfortunately, my favorites were discontinued or changed to be a totally different product with the same name (such is my shitty superpower).

After trying a couple others that either met my low-or-no fragrance requirement but not my effectiveness requirement, or were effective in absorbing oil but choked me with fragrance (looking at you, special edition Grapefruit Mimosa Drybar Detox!), I was fed up.

Unfortunately, dry shampoo is one of those things that I can’t just push myself to use up if it is overly fragrant; it’ll make me sick smelling it all day.

What I Do Instead

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