2-Amino-3-Hydroxypyridine
2-Amino-3-Hydroxypyridine is an organic compound used in hair dyeing formulations. It functions as a color coupler, reacting with other dye intermediates to create specific shades, particularly in permanent hair colors. Its role is to contribute to the final color result and help achieve desired tones.
NoneHair dye ingredientEvidence: Medium
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.
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
- May cause skin irritation
- Potential for allergic reactions
- Possible eye irritation
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Frequently asked questions
- What is 2-Amino-3-Hydroxypyridine used for?
- It is primarily used in hair dye products as a color coupler, which means it helps to create the final hair color when combined with other dye ingredients.
- Is 2-Amino-3-Hydroxypyridine safe?
- Like many hair dye ingredients, it can cause irritation or allergic reactions in some individuals. Patch testing before use is recommended to check for sensitivity.