Yellow 5 (Cl 19140)

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.
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Ingredient Snapshot

Overview
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.