DMDM hydantoin and formaldehyde in haircare

Tony Youn dmdm hydantoin

DMDM hydantoin is a preservative commonly found in shampoos. It started getting a lot of attention in 2021, thanks to a number of lawsuits surrounding hair loss – so let’s talk about the science behind it and whether it’s safe. (This post is partly based off a longer video about haircare misinformation on TikTok, which also covers sulfates, silicones, testing …

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Why your hair products stop working

So you found the hair routine of your dreams and your hair is just magnificent…  But then it just stops working. What’s going on? Here’s the science behind why your products just suddenly stop working, and what can you do about it. The video is here, keep scrolling for the text version. You might need to change shampoos First off, …

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Sulfate-Free Shampoo? The Science

Sulfate free shampoo science thumbnail

Lots of people say you have to use sulfate-free shampoo to avoid damaging or stripping your hair. There also people who say you have to use shampoo with sulfates to get your hair clean. They are both wrong. I’ve been paying more attention to hair science info on the internet lately. There are a lot of completely wrong explanations, and strong …

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Fading Hair Dye With Low Damage

fade-hair-dye-bleach-video

I had purple and mauve hair for about six months, but the purple I had really sunk and it’s way in, and I couldn’t get it to the warm, peachy color that I really wanted. But I was a bit scared of just bleaching it because I had to bleach it twice the first time to get it to get …

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Guest Appearance on The Proof podcast with Simon Hill

Lab Muffin The Proof Simon Hill

I recently chatted all things skincare with Simon Hill on his podcast The Proof for about three and a half hours. You can listen to the first part on sunscreen here and the second part on skincare, clean beauty, haircare… basically everything else – here. The Proof is a great listen if you’re looking for deep dives on pretty much …

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You don’t need to freak out about benzene in dry shampoo

dry shampoo

There’s been another beauty product recall because of benzene. This time it’s dry shampoos produced by Unilever, including products from; Dove TRESemmé TIGI  Suave I’ve talked about benzene contamination in products before, specifically sunscreen. It’s a very similar situation this time. The key points: Benzene is not intentionally added to products. Rather, it’s a trace contaminant that’s accidentally found its …

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