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Medically reviewed by Last updated on Jun 9, 2023.

Excipient (pharmacologically inactive substance)

What is it?

Dimethicone (also called polymethylsiloxane) is a silicon-based polymer used as a lubricant and conditioning agent. It functions as an anti-foaming agent, skin conditioning agent, occlusive and skin protectant. It is found in many cosmetic and hygiene products like nail polish, conditioners, make-up, sunscreens, deodorants, and shampoo. Examples of products that contain dimethicone include Aveeno Moisturizing Lotion and Johnson's Baby Cream.

List of medications using Dimethicone


  1. [1] Dimethicone Cream. Accessed March 31, 2014.
  2. [2]Environmental Working Group. Dimethicone. Accessed March 31, 2014.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.