Get up to 40% off Mario Badescu skincare, including Stewart's go-to Vitamin C serum, moisturizer, facial cleanser and more that keeps her glowing at 83.

Stewart loves an effortless beauty routine so it's no surprise she's a fan of Mario Badescu skincare. Offering a wide range of products for face and body, Mario Badescu has every step you need for a full,

Mario Badescu’s Super Collagen Mask, which Martha Stewart uses, leads to brighter, smoother, and wrinkle-free skin, according to fans. Shop the anti-aging clay mask while it’s on sale for just $14 on Amazon.

Many celeb-beloved treatments and products can cost hundreds if not thousands of dollars — meanwhile, the Mario Badescu Super Collagen Mask will only set you back $12, a 40% discount and the lowest price we've seen in quite awhile. Sweet savings on some major skin care? That's what we'd call a "good thing."

Martha Stewart is a lifestyle icon, with so many impressive projects under her belt. Between authoring 100 books, hosting three TV shows on the Roku channel and creating a long list of beloved home products,

Martha Stewart knows what works. From her daily green juice recipe to what she does to look and feel her best at 83, she’s spent decades honing her routine. Luckily, she’s not one to keep her go-to products a secret,