The main thing that may be harmful to the skin with this mask powder is the dahuric dahurica and also the white aconite that may be added to it.
While it is true that Angelica dahurica is useful for pigmentation and can solve other skin problems such as melanin deposits and acne, it is also a toxic herb that can strongly irritate the mucous membranes and the skin, which is unimaginable if it is used on the face of a sensitive skin.
And then there is Angelica dahurica, a lot of mask powder has not dared to put white aconite, but may still have this thing. This can be more powerful, the country's previous norms on cosmetics but clearly stated that can not be used, that think can also understand, if added, it is certainly not qualified products, unqualified things dare to use in the face. It is also banned because it is sensitive to light, if long-term exposure to light, the skin will be black and will grow black spots, serious convulsions, high blood pressure, abortion.
So, if you want to use, it is best to buy a big brand of finished products, mask powder should also be well-known brands, but also check the ingredients.