There are primarily two methods of exfoliating the skin: physical exfoliation and chemical exfoliation. Physical exfoliation involves the use of scrubs, brushes, loofahs, or other tools to physically remove dead skin cells from the surface of the skin. Chemical exfoliation, on the other hand, involves the use of acids such as alpha hydroxy acids (AHAs) or beta hydroxy acids (BHAs) to dissolve dead skin cells and promote cell turnover. Both methods can help improve skin texture, tone, and appearance when done correctly and in moderation.