Ingredient
Dimethiconol
What is Dimethiconol?
Dimethiconol is a type of silicone used primarily in cosmetic and personal care products. It is a derivative of dimethicone, a well-known silicone compound, and often appears in formulations alongside other silicones to provide a silky texture.
In hair care, dimethiconol is used for its ability to form a protective barrier on the hair shaft, which can help prevent moisture loss and reduce frizz. However, evidence is mixed on whether silicones can cause build-up on the hair, leading to potential dullness or weighing down of the hair over time.
When you see dimethiconol on a label, it's typically there to enhance the texture and performance of the product, especially in terms of smoothing and conditioning effects.
Commonly found in: Shampoos, Conditioners, Leave-in treatments, Serums, Styling creams
What to watch
- Some users may experience product build-up on hair with frequent silicone use.
Benefits
- Forms a protective barrier that reduces moisture loss and frizz.
Dimethiconol is generally regarded as safe for use in cosmetics by the FDA.
While generally safe, studies suggest that silicones like dimethiconol can cause product buildup in some users.
Dimethiconol is synthetic and not derived from animal sources, making it suitable for vegan use.
Sources: Cosmetic Ingredient Review Safety Assessment of Dimethiconol
Scout's take
Silicone polymer; builds up on hair and requires sulfate shampoos to remove. Environmentally persistent siloxane microplastic precursor.
The case against
There are minimal risks, though it may cause build-up on the skin with prolonged use.
from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin BottleThe case for
Dimethiconol enhances the texture and application of the lotion.
from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin BottleMore from Scout's analyses
Dimethiconol is a silicone used to improve the texture and spreadability of lotions. It provides a smooth, silky feel and helps in the even application of the product. It is generally considered safe for use in cosmetics.
from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin BottleFound in 3 products
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