Question 1

Is Jeanne's hair color powder safe for sensitive scalps or chemically treated hair?

Accepted Answer

The powder is formulated to work on most hair types, but because it contains synthetic chromogens and alkaline agents, it may irritate sensitive skin; a 48-hour patch test is advised before full application, and extra conditioning is recommended for chemically treated or damaged hair.

Question 2

What are the key active ingredients in this hair dye powder and how do they work to color hair?

Accepted Answer

Typical ingredients include a primary chromogen such as p-phenylenediamine, an alkaline developer (e.g., ammonia or monoethanolamine), hydrogen peroxide as an oxidizer, and conditioning agents; the alkalinity lifts the hair cuticle, the peroxide activates the chromogen, and the resulting larger color molecules penetrate the cortex to create lasting shade.

Question 3

Is the product vegan and cruelty-free, and how long can it be stored after opening?

Accepted Answer

Yes, the dye carries vegan and Cosmos-natural certifications, confirming it contains no animal-derived ingredients and is cruelty-free; unopened, it remains stable for about 24 months, and once opened it should be kept tightly sealed and used within 6 months to maintain optimal performance.

Jeanne • 100 g

Hair color powder

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