You know that feeling when you look in the mirror and think, “what the heck happened to my hair?” The truth is it’s pretty common for your coif to eventually lose its original luster and volume. But when your hair gets so thin and lifeless that’s it’s practically impossible to manage, you might feel desperate for a solution. That’s why we’re so excited about this deal from Amazon. The massively popular hair-thickening shampoo and conditioner set from Wow is just $18 today (down from $31).

WOW Skin Science

Wow Skin Science Apple Cider Vinegar Shampoo & Conditioner Set

$26$31Save $5

This vegan shampoo and conditioner set uses antioxidants to give your hair a boost and it strengthens strands with the addition of vitamin E, avocado and Argan Oil.

$26 at Amazon

This set has a cult following with more than 42,000 perfect five-star reviewers. While there’s no such thing as a miracle product for thinning hair, this shampoo and conditioner duo comes pretty close. Wow Apple Cider Vinegar Shampoo uses saw palmetto extract, a plant-based ingredient believed to slow down hair loss and shedding by blocking DHT, the hormone that leads to male pattern baldness. A splash of apple cider vinegar naturally cuts through dirt and product buildup and detoxifies your scalp, unclogging follicles and paving the way for healthy regrowth.

Top it off with Wow Organic Virgin Coconut Oil and Avocado Oil Conditioner, and you’ve got the perfect marriage of healthy, natural fats that revive thin, weak hair and give it back that bounce you’ve missed for so long. Both products infuse your existing hair with the vitamins and nutrients it needs to resist breakage.

“After one wash my horribly thin, lifeless, practically balding, hair was puffy and bouncy. It looked led like I had an entire head of normal hair,” one happy reviewer wrote after trying “every shampoo, every hair tonic ..., you name it” and finding their salvation in Wow Apple Cider Vinegar Shampoo and Organic Virgin Coconut Oil and Avocado Oil Conditioner.

“My entire life I have plugged the shower drains with my hair loss and always have hair literally wrapped around my fingers during the cream rinse stage,” a fan wrote. “While applying the WOW cream rinse there was NO hair loss....When rinsing, this is usually my big hair loss time but there was hardly any hair at all!”

But thinning hair isn’t the only reason customers are so, well, Wowed. This shampoo and conditioner are also proven to suppress dandruff and add moisture to even the driest strands.

“My hair is very oily at the scalp and dry at the ends (almost like hay/straw), And I have lots of dandruff,” another fan wrote with more photographic proof. “This is going to sound cheesy but WOW was my response. My hubby...didn't notice as much dandruff as I had in the past. I am seriously amazed with this product.”

“As someone with long fine hair with split ends and hair breakage, my hair gets dry and prone to dandruff during winter time,” another wrote. “After initial use of the shampoo and conditioner, I can already tell that it did wonders to my hair. My hair felt like it had been styled and prepped in the salon.”

WOW Skin Science

Wow Skin Science Apple Cider Vinegar Shampoo & Conditioner Set

$26$31Save $5

Are you ready to give your hair a boost? This shampoo and conditioning set is!

$26 at Amazon

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $25 or more.)

The reviews quoted above reflect the most recent versions at the time of publication.

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