Skin & Nail ServicesQuestion 392 of 484
During the desincrustation phase of a galvanic facial, which pole and which product type are used to soften and emulsify sebum in the pores?
a.Negative pole with an alkaline (negatively charged) desincrustation solution
b.Positive pole with plain water
c.Negative pole with a positively charged anti-aging serum
d.Positive pole with a positively charged serum
Explanation
Desincrustation uses the negative pole together with a negatively charged, alkaline solution. Like charges repel, driving the product into the skin and softening hardened sebum so that comedones release more easily. The positive pole (iontophoresis) is used later with positively charged serums.
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