Dermstore launches 2026 summer beauty sale with up to 25% off

Dermstore has opened its 2026 Summer Beauty Sale with discounts of up to 25% off select products when shoppers use code SUN, a deal that runs through May 25 at 11:59 p.m. PST. The retailer is pushing breadth as much as depth: the sale spans skin care, tools and devices, makeup, hair care, sunscreen, kits and sets, and other categories, with 5,944 total results across the broader summer sale pages and 2,791 results on the skin care page alone.

For shoppers looking for real value rather than a quick beauty splurge, the best savings are likely to show up in the higher-priced categories. A 25% discount matters most on expensive serums, devices and dermatologist-backed routines, where the dollar savings can be substantial enough to justify buying now instead of waiting. Dermstore is also layering in rewards perks for members, including double points on select brands and 10% back in rewards, which can improve the deal for repeat customers who already shop the site regularly.

The sale leans heavily on professional and prestige names. Dermstore highlights skin care brands such as SkinMedica, Obagi Medical, PCA SKIN and Revision Skincare, all of which are positioned in the premium end of the market. That makes the promotion more useful for shoppers already loyal to those lines than for bargain hunters expecting mass-market clearance pricing. The homepage also advertises a free gift with purchases of $200 or more, plus free U.S. shipping on orders over $50, which can tilt the economics further for larger carts.

Dermstore says it was founded by a dermatologist in 1999 and is now a THG company, with more than 240 brands in its assortment across professional-strength and natural skin care, hair care and makeup. The company also says SkinStore is now part of Dermstore, widening the selection under one storefront. That consolidation gives the sale more scale, but it also reinforces the same conclusion: this is best treated as a targeted stock-up event, not a blanket buy-everything markdown.

The smartest move is to compare the advertised discount against the price of items already in your routine. If a product is a premium staple, the combination of 25% off, rewards earnings and possible free shipping can make sense. If it is an impulse add-on with no clear place in your regimen, the sale is easy to skip.