1. Fire: This phase often involves the application of a warming or "fire" treatment, which might include the use of a mild chemical peel or a mask with ingredients designed to stimulate circulation, exfoliate the skin, and promote a revitalizing effect.

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2.  Ice: The "ice" component follows the warming step and involves a cooling treatment. This can include a soothing mask or gel with ingredients aimed at calming the skin, reducing inflammation, and providing a refreshing sensation.