Abstract: Methods for the extraction and identification of antiperspirant salt plugs are provided. In accordance with an embodiment, a method for the extraction and identification of antiperspirant salt plugs comprises applying to skin an antiperspirant product and applying to the skin a transparent slide having a glue disposed thereon, wherein the glue is placed in contact with an area of the skin having the antiperspirant product applied thereto. The glue is allowed to cure to the area of the skin. The transparent slide and a sample coupled to the transparent slide are removed. The sample comprises the cured glue and first skin layers from the area of the skin. A stain sensitive to aluminum is applied to the sample. The sample is differentiated and the sample is allowed to dry.