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Kristin Chenoweth's affordable secret for glowing skin is only $21 during Labor Day

What is it?

For a long time, Bio-Oil was the affordable beauty secret those in-the-know would use to diminish the look of scars and stretch marks or give skin an extra dose of hydration. It's a fave among celebs — reality royalty like the Kardashians (especially Kim) and actual royalty like Kate Middleton and Meghan Markle credit this product with keeping their skin free of stretch marks. But they weren't the first to discover it; over-50 celebrities like Kristin Chenoweth have been relying on it to give their skin a healthy glow for decades. And now you can get it this Labor Day Weekend!

Used to diminish wrinkles, scars and stretch marks, it's packed with goodness like vitamins A and E, chamomile, sunflower and lavender oils.

$21 at Amazon

Why is it a good deal?

For $21 you get an A-list product without forking over A-list bucks. And while you're at it, you might want to pick up a second bottle, because you'll love this so much you'll run out before you know it.

Why do I need this?

So, what's all the hype about? Bio-Oil's popularity stems largely from the fact that it actually works. It's formulated with a variety of oils, including vitamin A, vitamin E, chamomile, sunflower and lavender, to create an incredibly powerful skin-care product that stimulates collagen production, which creates greater skin elasticity (read: diminished wrinkles!). More collagen can also help reduce the look of scars, stretch marks and dark patches.

All those oils also provide some serious hydration — another great way to further reduce dark marks, scars and stretch marks. The formula won't clog your pores, so people with oily, dry or combination skin can use Bio-Oil without worry. For those with fresh scars, say from a C-section (or stretch marks from the pregnancy itself), Bio-Oil can help with itchiness as it smooths out the skin.

Kristen Chenoweth told Prevention she uses it around her eyes and on her laugh lines. "I want people to know about it. I love Bio-Oil,” she said. "If you’re consistent, it’s huge."

Kardashian agrees with Chenoweth. "It just makes my skin glow, and it has so many benefits," Kim said. "If you have a scar or stretch marks, you just massage the oil onto the area two times a day." She said the formula was a "lifesaver" and she would "apply it like crazy" during her pregnancies.

Kristin Chenoweth
Kristin Chenoweth is just one of the many celebs that sing the praises of Bio-Oil. (Photo by Taylor Hill/FilmMagic/Getty)

What the reviewers say:

Don't want to take the word of celebrities? We'll let one of 46,000 five-star Amazon reviewers tell you how remarkable it is. One 71-year-old shopper wrote, "Bio-Oil is the BEST skin product on the market. I use it twice a day, in the morning and before I go to bed. Small lines have disappeared. My skin is very smooth and seems to glow. A doctor recommended this to one of my friends, who told me about it. I have bought several bottles as gifts."

One reviewer calls Bio-Oil freaking amazing. "I use this stuff ALL OVER my body," she wrote. "It's great — it's lightweight so I don't feel like I just took a bath in a deep fryer. I can use it on my face without worrying about breaking out (like I often do when using coconut oil), and it leaves my skin soft and glowing.... It sinks in fast, so I don't leave greasy fingerprints everywhere. I can't stress enough how great this stuff is."

One reviewer shared: "I got bit by a dog last summer, and nothing was working to get rid of the scar. I also had a scar from a scratch on my knee, as well as chicken pox scars, and scars from wrist surgery. This oil seems to be fading them all!"

And finally, "I used this 10 years ago when I was pregnant with my twins. Till this day not a single stretch mark. I gained weight and have stretch marks now around my arms and thighs so I bought it again. I like how light and not oily it is. The smell is ok for me but my husband doesn't like it. Other than that it's amazing." Well at least he doesn't have to use it!

Kristen Chenoweth prefers to use Bio-Oil around her eyes and mouth.

$21 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.