I have to perform various tests on white hair that I get from a colleague. I would like to clean them before treatment and analysis but I do not know which method is the most effective without damaging the hair. I read that there are 2 stages. The first is to wash / rinse the hair with acetone or dichloromethane and second step: wash / rinse with water or methanol. Otherwise there are some who rinse with sodium lauryl sulphate. Do you have any advice?
No advice for you, just one remark.
I've been working for L'Oreal in the past, and the rule was to not cleaning at all the hair, because their mechanical behaviour depends on all the particles that could be eliminated through the cleaning. This is true for tribologic characteristics actually, properties linked to surface treatment, such as shampoos or hair lotion.
So, the question could be : what kind of particules/products you want to eliminate from the hair with this cleaning, which could give you some incertainty or errors in your work ? Depending on your answer, you could find the appropriate products, and choose among them those which don't alter the hair.
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