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Hair Spray Accumulation

This photograph was - quite wrongly - diagnosed as head lice!

An electronmicrograph of a droplet of hair spray

An electronmicrograph of a droplet of hair spray

In fact it shows a droplet of hair spray which has dried on a single hair forming a perfectly smooth cylinder around it. It has not touched another hair at all.

A spot weld between two hairs produced by a droplet of a modern hair spray

A spot weld between two hairs produced by a droplet of a modern hair spray

In this photo you can see a perfect replica of the cuticle of the second hair, here.

This kind of replica may be seen in heavily sprayed hair which is not washed often enough

This kind of replica may be seen in heavily sprayed hair which is not washed often enough

What has happened here was that the lady concerned was washing her hair about once a week, and applying hair spray frequently and generously between shampoos. By the end of each week, significant amounts of hair spray had built up on her hair. Fortunately, modern shampoo technology is excellent at removing even a week's accumulation of hair spray, grease and dirt.


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