Is Red 40 safe for topical use?

Red 40 is approved for topical use in cosmetics by regulatory bodies, but some individuals may experience skin irritation or allergic reactions.

Does Red 40 cause hyperactivity?

Studies have suggested a possible link between Red 40 ingestion and hyperactivity in some sensitive children, though the evidence is not conclusive for all individuals.

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Red 40 (CI 16035)

Red 40, also known as Allura Red AC, is a synthetic red azo dye widely used as a color additive in cosmetics, foods, and pharmaceuticals. It provides a vibrant red hue to products. As a colorant, it does not offer any functional benefits to the skin or hair.

NoneColorantVeganEvidence: Medium

BenefitNone 0 / 4

RiskModerate 1.5 / 4

Irritation

Sensitization

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

Potential for allergic reactions
Possible hyperactivity in children (ingestion)

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Products with Red 40 (CI 16035)

Whipped Vanilla 2‑in‑1 Body Wash & Bubble Bath

Score 3.3 / 5

Whipped Vanilla Creamy Florals Fragrance Mist

Score 2.9 / 5

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Frequently asked questions

Is Red 40 safe for topical use?: Red 40 is approved for topical use in cosmetics by regulatory bodies, but some individuals may experience skin irritation or allergic reactions.
Does Red 40 cause hyperactivity?: Studies have suggested a possible link between Red 40 ingestion and hyperactivity in some sensitive children, though the evidence is not conclusive for all individuals.