What is HC Red No. 3?

HC Red No. 3 is a direct hair dye used in semi-permanent and temporary hair coloring products to create red shades.

Is HC Red No. 3 safe?

Like many hair dyes, it has a potential for sensitization, so a patch test is recommended before use to check for allergic reactions.

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HC Red No. 3

HC Red No. 3 is a synthetic organic dye specifically formulated for use in hair coloring products. It is a direct dye, meaning it deposits color onto the hair shaft without needing to be mixed with an oxidizing agent. This ingredient is responsible for imparting various red tones to the hair.

Hair dyeVegan

BenefitMinimal 1 / 4

RiskHigh 2.5 / 4

Sensitization i2.5 / 4

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

Irritation i1 / 4

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

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Imparts red color to hair

Things to watch

Potential for skin sensitization
May cause allergic reactions
Can stain skin and surfaces

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Products with HC Red No. 3

Scenic Milano

Technic System Colorazione Diretta con Pigmenti 70 ml

3.7/ 54/8/7

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Frequently asked questions

What is HC Red No. 3?: HC Red No. 3 is a direct hair dye used in semi-permanent and temporary hair coloring products to create red shades.
Is HC Red No. 3 safe?: Like many hair dyes, it has a potential for sensitization, so a patch test is recommended before use to check for allergic reactions.