RescueMD's up to 30% off sale on selected skincare products is the main deal running on the brand's site right now. This applies to serums and treatments for scars, dark spots and acne marks, but only while stock lasts and only on items the brand has marked down. Whether this sale saves you the most depends on your basket size and whether you qualify for other discounts.
On a small first order. If you're a new customer placing your first order with RescueMD, sign up for the newsletter to get 10% off that initial purchase. On a $40 order, for example, the 10% signup discount takes you to $36. This beats shopping the sale if the specific products you want aren't included in the 30% markdown, but if your chosen items are on sale, compare the two: 30% off a $40 basket leaves you with $28, a saving of $12 instead of $4.
On orders of $50 or more. Free shipping kicks in at $50, which matters if you're buying multiple items. If your order qualifies for the sale discount and totals $50 before that discount is applied, you'll get both the up to 30% off selected products and free shipping. A $60 order of sale items at an average 30% discount would cost you $42 with free shipping included.
Comparing the sale to the newsletter signup. The sale discount is steeper than the newsletter 10% if your products are included, but the newsletter applies to your entire first order regardless of which items you pick. If you're not a first time customer, the sale is your only option. If you are new, work out the final price both ways. On a $100 basket of items that qualify for the full 30% sale markdown, you'd pay $70 with the sale, versus $90 with the newsletter signup, so the sale wins. However, if only some of your items are reduced and the average discount is lower, the 10% signup offer might leave you better off. Choose whichever total is lower when you reach checkout.