Our expert says:
Hi Karien, thank you for the question.
I have no personal experience with this system however, the use of galvanic currents to improve penetration of products/ingredients (iontophoresis) is well known.
However, one has to understand that iontophoresis will only occur if the targeted active chemicals have an electrical charge (i.e. they are ions carrying either a positive or negative electrical charge, or will ionise with electricity). When a low intensity galvanic current is applied to a molecule that can dissociate into a positive ion (cation) and a negative ion (anion), then it dissociates more readily in the presence of water and salts. Negative ions move towards the positive pole, and positive ions move towards the negative pole. As a result ions can be carried to deeper layers of the skin and concentrated there.
What this is saying simply is that for galvanic to be effective the ingredients/product used must have the ability to form an electrical charge around it when exposed to the galvanic current – a positive galvanic current will oppose positively charged cations deeper into the skin or vice versa. Therefore, it is not only important to know if an at home Galvanic system works but that the ingredients used will act as electrical charges to allow deeper penetration.
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