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What is a depilatory?

  1. A caustic alkali preparation used for the temporary removal of superfluous hair

  2. A device used for permanent hair removal

  3. A type of waxing method that removes hair from the root

  4. An antiseptic lotion applied after hair removal

The correct answer is: A caustic alkali preparation used for the temporary removal of superfluous hair

A depilatory is a type of chemical used to remove unwanted hair from the body. It works by breaking down the hair at the surface and causing it to dissolve and fall out. This method is only temporary and the hair will grow back, so it is not considered a permanent hair removal solution. Option B, a device used for permanent hair removal, is incorrect because a depilatory does not permanently remove hair. Option C, a type of waxing method that removes hair from the root, is incorrect because waxing involves pulling hair out from the root, not dissolving it with chemicals. Option D, an antiseptic lotion applied after hair removal, is incorrect because a depilatory is used for hair removal, not for aftercare.