Shampoo: Things you’ll find other than surfactants!

In general, a shampoo contains surfactants, water, preservative, and thickener. Each one is a pretty obvious inclusion – the surfactants clean, the water thins the mixture, the preservative preserves, and the thickener thickens. But a shampoo is about more than just cleaning your hair. We want something that is bubbly and foamy, something that makes...

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Shampoo: Formulating a regular shampoo

So what makes a regular shampoo a regular shampoo? (Click here for more information on shampoos in general.) A regular shampoo is intended to be used every 3 or 4 days, as opposed to the daily use shampoo which is intended to be used, well, every day. We want to formulate a shampoo that will...

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How does the no-shampoo concept work?

The “no shampoo” idea is to eliminate shampooing from your life and use conditioner only to wash your hair. You can use any conditioner for this process; you don’t need something that claims to be a cleansing conditioner (which are usually way more expensive and found in salons!). The key is that the conditioner contains a...

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Chemistry of your hair: Shampoo

What’s the point of using a shampoo? It seems like a lot of people are touting the awesome power of the “no-poo” method, which is only using conditioner to wash your hair (see my post a little later today on this topic). Shampoo is intended to remove those things that might mess up your hair every...

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Chemistry of your hair: Grey hair

My grandma and my dad, who was balding in his early twenties!  Why does our hair go grey? The short answer – science really doesn’t know. The long answer – it’s a loss of melanin in the hair shaft. Why does this happen. Science really doesn’t know. I have to admit it amazes me that...

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