Dermstore: Save up to 20% on best-selling beauty and skincare with code SUMMER.
Sephora: Get $10 cash back on orders of $75 or more for new customers or get $5 cash back on orders of $65 or more sitewide.
Ulta: Get daily deals on up to 50% off haircare during the Gorgeous Hair Event through May 30.
There is a lot more to see, click on the link above (The 40+ Best Memorial Day Sales Roundup).
Thanks to Sara Skirboll for her wonderful article!