CI 45100 is a synthetic red colorant used in cosmetics to give products a red or pink color. It is a water-soluble dye.

Is CI 45100 safe for skin?

CI 45100 is generally considered safe for cosmetic use when used within regulatory guidelines. However, some individuals with sensitive skin may experience irritation or allergic reactions.

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CI 45100

CI 45100 is a synthetic red dye commonly used in cosmetics to provide a vibrant red or pink color. It is a water-soluble colorant that helps enhance the visual appeal of various cosmetic products. Its use is regulated to ensure safety.

ColorantVegan

BenefitNone 0 / 4

RiskLow 1.2 / 4

Irritation i0.8 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Sensitization i0.4 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

potential for skin staining
possible allergic reactions in sensitive individuals

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Frequently asked questions

What is CI 45100?: CI 45100 is a synthetic red colorant used in cosmetics to give products a red or pink color. It is a water-soluble dye.
Is CI 45100 safe for skin?: CI 45100 is generally considered safe for cosmetic use when used within regulatory guidelines. However, some individuals with sensitive skin may experience irritation or allergic reactions.