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| Catalog Number | CI-HC-0092 |
| Product Name | Cyclopentasiloxane |
| CAS | 541-02-6 |
| Structure |  |
| Description | Cyclopentasiloxane is a silicone-based cyclic compound that is used primarily in personal care and cosmetic products as a conditioning agent, solvent, and lubricant due to its unique properties. It is a clear, colorless liquid with a low viscosity, high volatility, and low surface tension, which makes it easy to spread and evaporate quickly on the skin without leaving an oily residue. Cyclopentasiloxane is also known for its ability to improve the texture, feel, and appearance of skin and hair by forming a protective barrier that helps to lock in moisture and reduce the loss of natural oils. In addition to personal care products, Cyclopentasiloxane is also used in various industrial applications, such as in the formulation of adhesives, sealants, and coatings. |
| Flash Point | 73 °C(163 °C) |
| Appearance | clear, odorless, and colorless liquid with a low viscosity |
| Application | 1. Cyclopentasiloxane is used as a solvent and carrier for cosmetics and personal care products. 2. It is used as a conditioning agent for skin and hair products. 3. Cyclopentasiloxane is used as a lubricant in medical devices and personal care products. 4. It is used as a viscosity controlling agent in lotions and creams. 5. Cyclopentasiloxane is used as a dispersant for pigments and other insoluble materials in cosmetic formulations. |
| Features And Benefits | 1. Acts as a Skin Conditioning Agent 2. Enhances the Spreadability and Gliding Ability of Products 3. Provides a Non-Greasy Feel to the Skin 4. Forms a Protective Barrier on the Skin 5. Helps in the Uniform Distribution of Other Ingredients. |
What is cyclopentasiloxane?
Cyclopentasiloxane is a silicone regularly used in cosmetic products. It is a colorless, odorless, non-greasy liquid that evaporates quickly and does not get absorbed into the skin.
What are some products that contain cyclopentasiloxane?
Examples of products that contain cyclopentasiloxane include hair spray, sunscreen, antiperspirant, deodorant, hair conditioner, shampoo, mascara, foundation, eyeliner, concealer, moisturizer with SPF, eye shadow, hairstyling gel and lotion, and lipstick.
What are the benefits of using cyclopentasiloxane in cosmetic products?
Cyclopentasiloxane helps products dry quickly, spread more easily, and gives a slippery and silky feeling when applied to the skin and hair. It can also form a protective barrier on the skin and hair, preventing breakage and reducing frizz.
Is cyclopentasiloxane safe to use in cosmetics?
The Cosmetic Ingredient Review Expert Panel considers cyclopentasiloxane safe to use in cosmetics at existing concentrations. However, the European Union has introduced restrictions on its use in wash-off cosmetic products, limiting concentrations above 0.1% due to potential accumulation in water supplies.
Does cyclopentasiloxane have any potential health risks?
There is a low concern that cyclopentasiloxane can act as an endocrine disruptor, but this is more of a concern at higher concentrations than typically used in cosmetics. It is not absorbed into the skin and is rapidly exhaled or excreted if inhaled.
Can cyclopentasiloxane cause skin irritation?
Cyclopentasiloxane has not been found to cause skin irritation or sensitization in humans. In fact, it may even prevent irritation in patients with skin conditions like rosacea when used in sunscreens and lotions.
What is the environmental impact of cyclopentasiloxane?
There was once concern about the environmental impact of cyclopentasiloxane, but research has found that it does not pose a danger to the environment. It rapidly evaporates during typical use, and only a very small fraction finds its way down the drain and into the environment.
Was cyclopentasiloxane found to be bio-accumulative in aquatic animals?
Earlier studies suggested that cyclopentasiloxane could be bio-accumulative in aquatic animals. However, a 2011 review found no evidence of toxicity to any organism and no evidence of the chemical building up to high enough concentrations to cause problems in animals.
What are the recent regulations regarding the use of cyclopentasiloxane?
The European Union has introduced restrictions on the use of cyclopentasiloxane in wash-off cosmetics, limiting concentrations to less than 0.1% starting from January 31, 2020.
Overall, is cyclopentasiloxane safe to use?
Products containing cyclopentasiloxane can be used safely on hair and skin with minimal personal risk. While there are concerns about its potential environmental impact and possible disruption of hormones, research shows that it does not get absorbed into the skin in high enough doses to cause harm.
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