Thursday, August 09, 2007

What’s all the “pH-uss” about pH in Cosmetic Products - Myths and Facts about acid and alkaline

pH stands for the power of the hydrogen atom. Skin and hair do not have a pH. A scale from 0 to 14 is used to measure acidity and alkalinity of solutions. pH 7.0 is neutral. Acidity increases as the pH number decreases and alkalinity increases as the pH number increases.

Usually the pH of a cosmetic will not change the natural pH of the hair or skin because the hair and skin contain keratin, fatty acids and other substances that adjust the pH levels with which they come into contact. As long as a pH is not unusually high or low there is no problem – pH wise – with a cosmetic.

Naturally the high pH of cold wave solutions and hair straighteners can damage the hair and skin, but even this is rare providing a proper conditioner or moisturizer is used after such pH alterations. There is no such thing as a “pH balanced” product because a product’s pH will drift during shelf life and alter when applied to the hair and skin.

A product’s pH is not a danger to the body, but the synthetic chemicals used in cosmetics – often to alter the pH to please the ones who fall for the “pH balanced” story – are (Hampton).

So tell me, who’s selling “Snake Oils!?”

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