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Dimethicone or dimeticone is used to treat dry, itchy skin or minor skin irritations, to relieve stomach pain, bloating and indigestion, hiccups, and infection of the scalp hair by the head louse.

How it works

Dimethicone belongs to class of medications called surface active substances. Dimethicone works by helping to release trapped wind by acting on inner lining of intestine; helps dry and itching skin by moisturizing the skin and kills the lice by affecting its physiological activity or by disrupting bodily water balance of lice.

Common side effects

Flakes on scalp, Irritation around eyes, Itchy scalp, Rash, Headache, Skin irritation, Shortness of breath, Skin redness, Stomach upset, Hair loss, Diarrhoea


Expert advice

Do not take further dose or do not apply dimethicone cream further at the first appearance of rash, redness of skin, breathing difficulty.
Keep your hair away from fire sources (naked flames, burning cigarettes) while being treated with dimethicone lotion.
Do not take dimethicone capsules if you use mineral oil (paraffin) based laxatives.
Do not start or continue the dimethicone capsule/cream/solution and consult your doctor:
  • If you are allergic to dimethicone any other ingredient of capsule/solution/cream.
  • If you are being treated for thyroid disorder.

Frequently asked questions


Q. Does dimethicone kill lice, pubic lice, nits and scabies?
Dimethicone may kills lice, pubic lice and scabies. Dimethicone does not kill nits. 
Q. Is dimethicone safe?
Dimethicone is safe if used as recommended. In case of any side effects, consult your doctor.
Q. Is dimethicone safe for natural hair or does it dry out hair? 
Dimethicone is safe and does not dry out natural hair, if used as recommended. However, it may occasionally cause hair loss. In case of any side effects, consult your doctor
Q. Is dimethicone good for skin?
Dimethicone is not toxic for skin.

Q. Is dimethicone toxic?
Dimethicone is not toxic.

Q. Does dimethicone cause acne, cancer?
 and does not cause cancer. It may cause acne after very long term use.
Q. Is dimethicone the same as silicone?
Dimethicone belongs to group of compound known as silicone.
Q. Does dimethicone cause milia?
Dimethicone may cause milia.

Content on this page was last updated on 14 October, 2016, by Dr. Varun Gupta (MD Pharmacology)