I read on the forum that zinc oxide and copper peptides are incompatible. Would it be okay to use the zinc oxide sunscreen in the day and then use the copper products at night, or will the zinc still interfere with the copper. Thanks.

That will work using them at different times.

Or you could put the copper on first to form a barrier, then the zinc oxide above it. This keeps the zinc out of the skin and concentrated above the skin where it is needed for uv protection.

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