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What is the purpose of iontophoresis or ionization in esthetic treatments?

  1. Introducing oil-based products into the skin

  2. Introducing water-soluble treatment products into the skin

  3. Removing hair from the follicles

  4. Softening the skin

The correct answer is: Introducing oil-based products into the skin

Iontophoresis or iontophoresis in esthetic treatments is a process that involves the use of electrical current to facilitate the penetration of water-soluble products, such as serums and other treatment solutions, into the skin. It is especially beneficial for enhancing the efficacy of skincare treatments by allowing these products to penetrate deeper into the skin layers. This process helps improve the overall effectiveness of the treatment, making option B the correct answer. Option A is incorrect because iontophoresis is specifically used for water-soluble products, not oil-based products. Option C is incorrect as iontophoresis does not involve hair removal from the follicles. Option D is incorrect as iontophoresis is not primarily used for softening the skin.