2,6-DIAMINOPYRIDINE SULFATE

Ingredient type: HUMECTANT/WATER-SOLUBLE

✨ Role: 2,6-diaminopyridine sulfate is often used in hair coloring products. It plays a key role in achieving dark shades and helping to fix color in the hair fiber.

Ingredient type: Water-soluble

‍⚕️ Safety: this ingredient is generally safe when used according to manufacturers' instructions, but precautions should be taken, especially when skin testing before prolonged use.

✨ Vegan: Yes, this ingredient is considered vegan because it is mainly synthesized in the laboratory and does not depend on animal products.

✨ Please note: Although rare, it can cause allergic reactions in some people sensitive to coloring ingredients. A skin allergy test is recommended before application.

Found in: Mainly permanent and semi-permanent hair dyes.