Hydrogen peroxide produces the orangish color. It's great for me, a potential redhead. Lemon juice just lightens blonde hair & going out in the sun will intensify the effect. But I have found it's best to put lightening agents on dirty hair so the effect isn't too drying & after shampoo make sure you condition your hair.
I'd go out in the sun. I didn't find my hair turning orange. I think it's the commercial hair dyes that have this risk. Mine gradually got more blondish.
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