Supplies are not going to be re-stocked and you cannot get a raincheck so I would not wait to drop by on Saturday, when the best stuff will be picked over.
There is no minimum purchase and you do not need a coupon. The only catch is that the discount comes off the regular price, not the sale price. And you cannot use the 25% off discount with buy-one-get-one deals. The store will give you whatever discount is greater.
A professional makeup artist recently shared three drugstore beauty products that she loves more than pricey brand names. You'll never believe what she recommended!