Trimethylsiloxane

1. Definition Trimethylsiloxane:

Trimethylsiloxane, also known as dimethicone, is a type of silicone oil commonly used in cosmetics as a conditioning agent and emollient. It is a clear, odorless, and non-greasy substance that helps to improve the texture and feel of skincare and makeup products.

2. Use:

Trimethylsiloxane is used in a wide range of cosmetics and personal care products, including moisturizers, foundations, primers, and hair care products. It helps to create a smooth and silky texture, while also providing a protective barrier on the skin to lock in moisture and prevent water loss. In hair care products, it helps to condition and soften the hair, making it easier to comb through and style.

3. Usage Trimethylsiloxane:

When using products containing Trimethylsiloxane, it is important to follow the instructions provided on the packaging. Apply the product as directed, avoiding contact with the eyes and mucous membranes. If any irritation or sensitivity occurs, discontinue use immediately and consult a healthcare professional. It is also recommended to perform a patch test before using a new product to check for any allergic reactions.

4. References:

- Puglia, C., Blasi, P., Schoubben, A., Bonina, F., & Rossi, C. (2005). Ricinoleic acid polyethoxylate as surfactant for the preparation of trimethylsiloxane oil-in-water microemulsions. International Journal of Pharmaceutics, 295(1-2), 41-50.

- Bissett, D. L., Oblong, J. E., & Berge, C. A. (2005). Niacinamide: A B vitamin that improves aging facial skin appearance. Dermatologic Surgery, 31, 860-865.

- Draelos, Z. D. (2010). The art and science of skin care: A practical guide. CRC Press.