It is a 100% natural product for dyeing white hair, so it does not damage the scalp, it is totally harmless.
Remember, it is not miraculous, however in some people with just the first application the changes are already noticeable. In contrast to purchased tinctures, we know their chemical components are harmful as they can irritate the skin and eyes.
In addition, over time these dyes leave the strands lifeless, also opaque. Not forgetting to mention how hair is lost with the constant use of these products.
Finally, regardless of what each one chooses, natural products are always 100% healthier and recommended.