Orange 4 (CI 15510)

Orange 4 (CI 15510) is a synthetic, water-soluble azo dye approved for use as a cosmetic colorant, giving a bright orange hue, standardizing shade between batches, and improving the visual appeal of gels, shampoos, and liquid makeup.
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Ingredient Snapshot

Overview
A synthetic orange dye used purely to color cosmetic products.
Category
Color
Type
Colorant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Adds a vivid tint to a product's appearance; it does not provide skincare treatment benefits. Helps color read as uniform to the eye.

Uses In Skincare & Cosmetics

Added to shampoos, body washes, gels, and liquid makeup to deliver a noticeable orange shade.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

May cause irritation in sensitive skin or near the eyes; discontinue use if redness occurs. The dye is regulated in many regions, often requiring batch certification and adherence to category- and level-specific limits.

Is Orange 4 (CI 15510) a Good Ingredient?

Rated Fair: it does its aesthetic job with no skincare benefit attached, and azo dyes can occasionally cause irritation or staining; some regions also limit its use by category and level. That's acceptable for a colorant but not enough to lift it into Good territory.

Products with Orange 4 (CI 15510)

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