3-Nitro-p-Hydroxyethylaminophenol

3-Nitro-p-Hydroxyethylaminophenol is a synthetic organic compound used as a hair dye. It is a nitro dye, meaning it contains a nitro group, which contributes to its color. This ingredient is typically used in semi-permanent and permanent hair color formulations to achieve specific shades.

BenefitNone 0 / 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 i2 / 4

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

Systemic exposure i1.5 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

• May cause skin irritation or allergic reactions in sensitive individuals
• Potential for systemic exposure through skin absorption

Products with 3-Nitro-p-Hydroxyethylaminophenol

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Frequently asked questions

What is 3-Nitro-p-Hydroxyethylaminophenol used for?

This ingredient is primarily used in hair dye products to impart color to the hair. It is a component of many semi-permanent and permanent hair color formulations.

Is 3-Nitro-p-Hydroxyethylaminophenol safe?

Like many hair dye ingredients, it can cause allergic reactions in some individuals. Patch testing before use is recommended to identify potential sensitivities.