Adding Color to Water-Based Acne Gel

Question

I am formulating a water-based acne gel and would like to add color to it. Can I add color to this type of gel? What type of colorants should I use for a water-based formula? Are there any issues with using color in a leave-on gel like this, such as skin staining or color fading? Could you provide examples of suitable water-soluble cosmetic colorants? Are there any tips for adding the color and maintaining its stability?

MySkinRecipes Expert · Accepted Answer

Adding Color to Your Acne Gel

Yes, you can add color to your acne gel formulation to improve its appearance. Since your gel is a water-based product, you should use water-soluble cosmetic colorants.

However, it's important to note that some water-soluble colorants, especially highly concentrated primary colors, might temporarily stain the skin. For leave-on products like gels or serums, it is often recommended to use colorants specifically designed to be easily washable or non-staining. Look for products labeled as "EasyWash" or similar if available.

Examples of water-soluble cosmetic colorants include:

D&C Green No.5 (CI 61570)
Acid Red 52 (Direct Dyes)
Acid Orange 7 (Direct Dyes)
Acid Yellow 3 (Direct Dyes)
Black Color Powder (Water-Soluble)

When adding color, start with a very small amount as these colors are highly concentrated. Add gradually until you achieve the desired shade. Also, consider adding a UV filter to your formulation, as UV light can sometimes cause color fading.