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Quantity
1
Description
Designed specifically for The Mark Advanced Dark Spot Concentrate, The Key is a weighted gold squeeze key engineered to work seamlessly with its aluminum tube. Creates steady, even pressure as you roll, guiding the formula forward without b...
Reviews
4.8
173 ratings
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At firat I disnt jnow what it was but then I figured it out. It is very smart to include this in the purchase of the dark spot remover creme.
P
Patricia · June 11, 2026
Like so far
So far I like this product, only been using for a few weeks...but so far so good!
