Suitable Colorants for Mouthwash

For mouthwash formulations, water-soluble colorants are typically used. These colorants are designed to dissolve easily in the water base of the mouthwash.

Based on our search, several water-soluble colorants are suitable for this application. These include a range of colors such as:

• Yellow Tartrazine (CI19140) EasyWash™
• D&C Red No.33‎ (CI17200) EasyWash™
• D&C Red No.28 Phloxine‎ (CI45410) EasyWash™
• D&C Yellow No.10 (CI47005) EasyWash™
• D&C Green No.5 (CI 61570) EasyWash™
• Ponceau 4R (CI16255) EasyWash™
• FD&C Yellow No.6 (CI15985) EasyWash™
• D&C Orange No.4 (CI 15510) EasyWash™
• D&C Yellow Fluorescent No.2 (CI 45350) EasyWash™
• D&C Red No.22 (CI45380) EasyWash™
• Black Color EasyWash™
• D&C Yellow No.7 (CI 10316) EasyWash™
• Caramel Color EasyWash™
• FD&C Red No.4 (CI 14700) EasyWash™
• Acid Orange 7 (Direct Dyes)
• Acid Yellow 3 (Direct Dyes)
• Cuttlefish Ink Black Powder (Natural Colorant)

These colorants are often designed to be "EasyWash™", meaning they are less likely to stain surfaces, and are resistant to fading, which are beneficial properties for mouthwash.

An example of a mouthwash base that includes colorant is the Enzyme Mouthwash (e.q. Propolinse, 1:4 Concentrate).

When selecting a colorant, ensure it is approved for use in oral care products in your region and follow recommended usage rates.