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Seems to work fantastic, I use this in conjunction with BP and Thursday Plantation tea tree oil face cream at night, and put this on my spots after washing and moisturizing in the morning since it smells like mint and soaks in after a while so you don't see it.
It's just okay. It's good for disinfecting spots, but it's not very effective at reducing the appearance of blemishes or making them disappear faster. The sponge tip applicator isn't hygienic at all and it's even very inefficient at getting the gel out.