Polymethylsilsesquioxane (PMSQ) is a silicone-based ingredient commonly used in cosmetics. It is a versatile powder particle that provides various benefits in skincare and makeup products. PMSQ acts as a texturizer, filling agent, and film former, creating a smooth and matte finish on the skin. It also helps to reduce the appearance of wrinkles, fine lines, and pores, making it a popular ingredient in primers, foundations, and anti-aging products.
Benefit title : Protective barrier Benefit Description : Forms an invisible film on the skin, creating a lubricating, smooth, silky feel without feeling greasy or sticky. It allows oxygen and nutrients to pass through while blocking water evaporation, leading to hydrated and smooth skin. Benefit title : Anti-aging Benefit Description : Helps the skin retain moisture, reducing the appearance of fine lines and wrinkles. It temporarily fills in fine lines, giving the skin a more plump appearance. Benefit title : Esthetic texture enhancer Benefit Description : Polymethylsilsesquioxane powder can be used to improve the texture of skincare and cosmetic products, making them feel smoother and more luxurious on the skin. Benefit title : Transfer resistance Benefit Description : The film formed by Polymethylsilsesquioxane powder helps to prevent makeup and other skincare products from transferring onto clothing or other surfaces. Benefit title : Repel water Benefit Description : The film formed by Polymethylsilsesquioxane powder has excellent water resistance functions which can be used in sunscreen and cosmetics products. Benefit title : Wearability & Compatibility Benefit Description : Although Polymethylsilsesquioxane powder will form a film on the skin surface, it can still allow oxygen, nitrogen and other important nutrients to reach the skin, so as to achieve the functions of ventilation and compatibility with other makeup or skin care products. Benefit title : Prevent pigment agglomeration Benefit Description : Polymethylsilsesquioxane powder can help to prevent pigment agglomeration in pressed powders, resulting in a more even and natural-looking finish. Benefit title : Keep moisture and anti-aging Benefit Description : Polymethylsilsesquioxane powder is often used in antiaging personal care products. As mentioned above, the film formed by Polymethylsilsesquioxane helps the skin better retain moisture, and loss of moisture is one of the main factors leading to aging. Therefore, Polymethylsilsesquioxane powder can prevent the loss of water and keep the skin moist, thereby achieving the anti-aging treatment, and fine lines and wrinkles are not easy to produce. In addition, the use of Polymethylsilsesquioxane powder in anti-aging products can temporarily fill fine lines and wrinkles and make the skin look plumper. Benefit title : Film-former Benefit Description : Polymethylsilsesquioxane functions as a film-former, skin conditioning, and anti-aging agent in a wide variety of cosmetic products. As a film-forming agent when applied on the hair or skin, it forms a thin, protective layer on the surface of skin or hair. This layer/film does not allow water to pass through so it reduces the loss of water and leaves a silky and smooth effect on the skin and conditions it. This property is especially effective in the case of dry and sensitive skin. Benefit title : Skin conditioning Benefit Description : Polymethylsilsesquioxane is an excellent water repellent which makes it a useful ingredient in sun care products. It also reduces aging effects from the skin by reducing wrinkles and fine lines formed on the skin. Similar to other silicon, it improves the appearance, feels, and spreadability of any preparation.
All skin types except those with an identified allergy to it.
Despite being considered safe for cosmetic use, there are claims that silicones can cause skin concerns, sensitization, and 'suffocate' skin. However, these claims lack scientific support.
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Polymethylsilsesquioxane is a synthetic silicone derived from silicon dioxide, which is originally sourced from sand.
Polymethylsilsesquioxane and its derivatives are considered safe for use in cosmetics and personal care products by the Cosmetic Ingredient Review Expert Panel.
Restricted: EWG VERIFIED products cannot contain this ingredient without adequate substantiation
Polymethylsilsesquioxane is a large molecule that cannot be absorbed by the skin, making it unlikely to cause toxicity or immunity issues. It does not bioaccumulate or suffocate the skin, as it allows oxygen and gases to pass through.
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