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Please ask for the foam production formula for use with the hair without washing it off.

Dissolve it in normal tap water every time as in the past and it can be used with good results as usual. In the past, after thawing, there was no color, but the last time I ordered 800g and 160g respectively. After thawing, it turns light gray to dark gray, and after 1-2 days set aside, it settles i...

have ordered silver nano solution 2000ppm has been made several times. By dissolved in the past pure water, when dissolved, there will be no color. But the last time the product was received on January 26, when it was melted, it turned into a light purple color. Will ask if there is a problem with t...

I want to produce silver nano water spray. For use to disinfect and help heal wounds to heal faster. For use in pets, please ask for advice on formula ingredients. And if it is produced according to the formula, how long will it last and how long can it be preserved if stored in an opaque bottle?