Moehair USA 5AA – Light Deep Ash Brown Permanent Hair Dye
The Moehair permanent hair color interacts with your hair’s natural pigment and alters its structure without damaging the hair strands. The dye contains tiny colorless molecules that penetrate the hair cuticle when combined with hydrogen peroxide, triggering an oxidation reaction. This chemical process transforms the molecules into stable, complex compounds that embed into the hair fiber, resulting in long-lasting color that can withstand multiple washes.
How It Works
The dye molecules enter the hair shaft through the cuticle. When mixed with hydrogen peroxide, they undergo oxidation, forming a permanent bond with the hair structure. This ensures the color remains vibrant and consistent over time.
Best For
Coarser hair takes longer to absorb color and may require more processing time. Finer hair absorbs color more quickly and may need less time to achieve even results. Always consider your hair type when applying this dye.
| Color | Shade | Application Type |
|---|---|---|
| 5AA | Light Deep Ash Brown | Permanent |
FAQ
Can this hair dye be used on colored hair?
Yes, this permanent hair dye can be applied over previously colored hair, but results may vary depending on the original color and hair type. A test strand is recommended for best results.
How long does the color last?
The color is permanent and can last up to 60 washes, depending on hair type, washing frequency, and exposure to sunlight.
Is the dye safe for all hair types?
The dye is formulated for general use on most hair types. However, individuals with sensitive scalps or allergies should perform a patch test before full application.

Sophie Welch –
The color turned out exactly as expected. My hair is medium thickness and it took about 40 minutes to process. The ash brown tone is balanced and doesn’t look too dark. I’ve washed it twice and it still looks vibrant.
Wanda Jackson –
Applied it on fine hair and it absorbed quickly. The result was a soft, natural ash brown. I used the recommended time and it didn’t feel too harsh on my scalp. Slight fading after two washes, but still looks good.
Harry Henderson –
I’ve used this dye before and it’s consistent. The color is rich and not too light. My hair is coarse, so I let it process longer than usual. It’s now a beautiful deep ash brown and holds up well after washing.
Anne Ferguson –
The color was a bit too dark at first. I had to lighten it slightly with a toner. It’s not a bad product, but the shade might not suit everyone’s preference.