Yellow 5 (CI 19140) is a synthetic, water-soluble azo dye commonly known as tartrazine, approved for cosmetic use. Gels, lotions, and washes use it for a bright yellow hue, which helps keep shades consistent across product lines.
A synthetic dye, also called Tartrazine, that gives products a yellow hue.
Category
Color
Type
Colorant
Ingredient Ratings
Overall Rating
Fair
Comedogenic Risk
None
Skin Benefits
Delivers a vivid yellow tone for a uniform, attractive look and straightforward shade coordination, adding visual appeal without altering product feel.
Uses In Skincare & Cosmetics
Used in water-based formats like shampoos, body cleansers, facial toners, and lightweight serums.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Generally safe in cosmetics when used as directed, but can occasionally trigger irritation or allergic responses in sensitive or tartrazine-intolerant individuals. Subject to colorant regulations and, in some regions, batch certification. Discontinue if redness or stinging occurs.
Is Yellow 5 (Cl 19140) a Good Ingredient?
It rates Fair because it provides reliable yellow color but offers no skin benefit, and a small subset of people may experience sensitivity to tartrazine. Its use is regulated in many regions, including certification requirements in the US, which reflects the oversight needed for controlled purity rather than any performance edge.