Role of Solvents in Formulations, Especially Toners

Solvents like Butylene Glycol and Glycerin are commonly included in cosmetic formulations for several important reasons:

• Humectant Properties: They act as humectants, meaning they attract and retain moisture, helping to hydrate the skin.
• Solvency: They help dissolve other ingredients in the formula, ensuring a stable and uniform product.
• Emollient/Lubricant: They contribute to the feel of the product on the skin, making it smoother and less sticky or tight.
• Enhanced Penetration: They can help other beneficial ingredients penetrate the skin more effectively.

In toners specifically, these properties are highly beneficial. They improve the texture and feel of the toner, making it easier and more pleasant to apply with a cotton pad. While it might be technically possible to create a toner without these specific solvents, omitting them would likely result in a product with a different texture, feel, and potentially reduced performance in terms of hydration and ingredient delivery.

Certificate of Analysis (COA) for Fragrances

Regarding the Certificate of Analysis (COA) for fragrances, fragrance ingredients typically do not come with a COA.