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It's not the hydroquinone that is causing the blackheads, it's the cream it is mixed in.
are you sure ? im using the melalite cream
hydroquinone 4%
preservatives
methylparaben ip 0.077% w/w
proplyparaben ip 0.0016% w/w
ethyparaben bp 0.016% w/w
are those high enough to make a difference
http://www.paulaschoice.com/expert-advice/myths/_/parabens-are-they-really-a-problem#avoid
i dont there a problem
maybe me mixing bp and hydroquinone causes blackhead ?