The material selection platform
Cosmetics Ingredients
The material selection platform
Cosmetics Ingredients


CAS Number 63148-62-9 / 9006-65-9 / 9016-00-6
Chem/IUPAC Name: Polydimethylsiloxane
COSING REF No: 33401
Dimethicone (also known as Polydimethylsiloxane), is responsible for imparting a silky, smooth texture to the products. This odorless and colorless substance is great at binding the ingredients and keeping them from separating. Additionally, Dimethicone works magic to help the makeup look even rather than cakey. On skin and hair, this silicone-based ingredient forms a physical barrier to lock in hydration for extra nourishment.

What is DIMETHICONE used for?

The velvety texture of Dimethicone is a brilliant source for smoothening rough surfaces and forming a protective barrier for intense nourishment. This ingredient works well in all sorts of cosmetic and skincare products.
  • Skin care: Skin care: It works best for oily skin as it provides a matte finish and a smooth texture. It helps the skin retain water and moisturize to soothe dry and itchy skin. This ingredient can be found in many kinds of moisturizers and creams. It forms a protective layer on the surface to avoid loss of water – thus hydrating and acting as a protectant. It also protects the surface from coming in contact with allergens or irritants.
  • Hair care: Hairstyling products, shampoos, and conditioners contain Dimethicone as it coats the hair strands to retain moisture, hydrate, and give off a shiny, sleek look. Further, it protects the hair from extreme heat and
  • Cosmetic products: It improves the texture of cosmetics and allows them to spread evenly on the surface. Dimethicone is non-comedogenic and hence does not block pores while filling in the fine lines and wrinkles to give a healthy and plump look


Dimethicone is obtained from Silicone under special treatments in a laboratory. Since Silicone is one of the most abundant elements on the Earth, manufacturing Dimethicone in large quantities becomes easy – making it a popular ingredient in the cosmetic industry.

What does DIMETHICONE do in a formulation?

  • Moisturising
  • Skin conditioning
  • Skin protecting

Safety profile

Dimethicone is largely safe to use for skin and hair; however, it is best to perform a patch test prior to full application. It can feel heavy and greasy on highly sensitive skin, resulting in acne breakouts. Other side effects include the formation of dry patches and itchy skin.

DIMETHICONE Alternatives

Technical profile

Property Values
Boiling Point 155-220°C
Melting Point -35°C
pH 5.5-8.5
Viscosity 10 cP

Commercial Selection : Grades containing solely DIMETHICONE

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