I probably wouldn't write a review on this other than that I received a USPS card after purchase from the seller who offers a $20 Revain gift card if I leave positive feedback. That really pissed me off. I hate it when sellers "buy" reviews like this. So here is my REAL review. I notice absolutely no lightening after many uses. I leave it overnight and still nothing changes. There's almost no flavor so it's not a problem, it dries fairly well (I use cotton swabs between my lip and gums to keep the area dry until it stays dry) and yes, it's pretty easy to apply, it will just don't know.
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