Somewhere between your fourth stress-induced hair shed and that cruel bathroom lighting, you start to wonder: Is this just what happens now? But then your friend — the one who wears slip dresses in winter and gets regular facials “for lymphatic reasons” — casually mentions Nioxin Scalp + Hair Thickening System Kit. Not like it’s a miracle, but like it’s obvious. Like, you should’ve known all along that this derm-backed, salon-grade hair care system is the move for anyone dealing with fine, noticeably thinning hair. And now, blessedly, it’s 50% off for Amazon’s Big Spring Sale.
“It’s a system,” she says. “You have to do all three steps.” First, the shampoo detoxes your scalp, clearing out follicle-clogging buildup. Then comes the conditioner — lightweight but also strengthening. And finally, the treatment: a leave-in foam that targets your scalp with tingling, minty vengeance. She swears her hairline stopped retreating after two weeks. I believe her because her ponytail has been looking extra full (read: smug) lately.
The best part? This isn’t one of those placebo-effect, influencer-hyped products that only work on people genetically blessed with thick strands to begin with. It’s clinical. It’s trusted by pros. And it’s now half off — making it an actual bargain in the world of $75 scalp serums and $400 laser caps. Don’t wait for more hair to fall before taking action.
The Nioxin System 2 Hair Care Kit includes three full-size products: the Cleanser Shampoo (deep-cleans your scalp and removes sebum buildup), Scalp Therapy Conditioner (hydrates and strengthens thinning hair), and Scalp & Hair Treatment (a leave-in foam that supports regrowth and thicker strands). Designed for natural hair with progressed thinning. Dermatologist-tested, color-safe, and currently 50% off on Amazon.
amazon big spring sale beauty best-sellers
One of our favorite under-eye patches are 33% off during the Big Spring Sale — and worth every penny.
Yes, Sunday Riley is on sale, and we couldn’t be more thrilled. This top-seller helps resurface the skin and reverse the look of dullness.
The BIODANCE Bio-Collagen Real Deep Mask quickly hydrates tired skin, making it feel firmer and plumper.
This celeb-loved vitamin C serum also boasts moisturizing vitamin E and hyaluronic acid.
Treat your teeth to a spring cleaning with this gorgeous deal on Crest 3D Whitestrips. Post Wanted team approved.
For around-the-clock deals coverage, shop our complete guide on what to buy during the Amazon Big Spring Sale. The retailer’s event lasts until March 31.
The Big Spring Sale is an Amazon-hosted seasonal sale event aimed at popular products to shop for spring. It’s similar to Amazon Prime Day, offering a wide range of deals and discounts on various products, spanning the final week of March.
Shoppers have 7 days to take advantage of discounts. This sale runs a full week, beginning at 12 a.m. PT on Tuesday, March 25, through 11:59 p.m. PT on Monday, March 31.
The Big Spring Sale ends March 31 at 11:59 p.m. Pacific time, so east-coasters have until about 3 a.m. on April 1 their time to shop the deals.
Unlike Prime Day, the Spring Sale is open to all Amazon shoppers. However, Prime members will enjoy exclusive deals and early access to certain promotions. Interested shoppers can grab a 30-day free trial to try Prime, and its many benefits, with no strings attached.
From reporting on Amazon sales throughout the years, we can tell you for certain that it’s the ideal period to upgrade your outdoor furniture, restock spring cleaning supplies, find new spring fashion pieces and comb through the massive catalog of Amazon best-sellers.
Already wondering when the next Amazon Prime Day is? Prime Day takes place in July each year. While Amazon hasn’t confirmed the dates for Prime Day 2025, it’s safe to assume it will take place in mid-July — similar to previous years.
Don’t miss Post Wanted’s around-the-clock coverage. Click here to find all of the best deals.
For over 200 years, the New York Post has been America’s go-to source for bold news, engaging stories, in-depth reporting, and now, insightful shopping guidance. We’re not just thorough reporters – we sift through mountains of information, test and compare products, and consult experts on any topics we aren’t already schooled specialists in to deliver useful, realistic product recommendations based on our extensive and hands-on analysis. Here at The Post, we’re known for being brutally honest – we clearly label partnership content, and whether we receive anything from affiliate links, so you always know where we stand. We routinely update content to reflect current research and expert advice, provide context (and wit) and ensure our links work. Please note that deals can expire, and all prices are subject to change.