Suki Waterhouse—Coca-Cola as Shampoo

As much as we love clean hair, shampooing it often can leave it limp and lifeless. Waterhouse knows this firsthand, which is why she uses Coca-Cola instead of store-bought shampoos. In an interview with Us Weekly, the model claims that soda gives her hair a gentle wash while still giving it body and texture.

“I rinse my hair with Coca-Cola sometimes,” she said. “I don’t like my hair when it’s washed—it’s fine and limp—but Coca-Cola makes it tousled, like I’ve gone through the Amazon or something.”

Sienna Miller—Ketchup as Hair Bleach

The “American Sniper” actress has had a lot of bad luck with hair dyes. In an interview with Vogue U.K., Miller revealed that when trying to dye her hair red, she came out with pink hair. Then, when she tried to dye it brown, her hair turned green. Because store-bought hair dyes weren’t cutting it, Miller got creative and tried using henna to dye her hair.

Needless to say, it didn’t go well, and the actress couldn’t get her hair back to its original color. It wasn’t until she soaked her hair in ketchup every night for a year that she could bleach the henna out of her hair and return to her natural color.

“That was awful, actually. I used henna, thinking I was being all organic and clever, and it was totally impenetrable—I just couldn’t get it back to normal,” Miller said. “The only thing that made any difference was ketchup, so for about a year and a half I had to put tomato ketchup on my hair under heat until it went back to normal.”

Beyoncé—Glue Stick as Eyebrow Gel

If you want on-fleek eyebrows like Queen Bey, replace your expensive eyebrow gels with glue sticks. (Yes, really.) In an interview with “E! News,” Beyoncé’s makeup artist, Sir John, revealed that he uses Elmer’s Glue Stick to tame the “Formation” singer’s eyebrows—a tip that she’s picked up too. Sir John claims that, in addition to holding your brows in place, even in hot weather, the product is skin- and pore-friendly—something he can’t say about all eyebrow gels.

“My [favorite] beauty hack is to use Elmer’s Glue Stick as the ultimate brow gel in the heat,” he said. “It doesn’t clog your pores, and it washes off easily.”

Blake Lively—Mayonnaise as a Hair Mask

The secret to the Gossip Girl’s coveted, glossy blonde locks might be hiding in your refrigerator. In an interview with Byrdie, Lively revealed that she uses mayonnaise to strengthen her hair and keep it from drying out. The tip, which she learned from her mother, helps the hair lock in moisture, especially at the tips, when you’re using powerful shampoos.

“My mom taught me this really great beauty tip. She used to put oil or mayonnaise on the bottom half of her hair before she would shower,” Lively said. “That way, when she would shampoo, the soap wouldn’t strip the bottom of the hair and dry it out, making it brittle.”

Catherine Zeta-Jones—Beer as Hair Conditioner

You don’t need to be a drinker to incorporate beer into your beauty routine. In an interview with the Daily Mail, Zeta-Jones revealed that she makes a DIY conditioner out of beer and honey. Though the concoction will leave you smelling like you spent the night at the bar, she swears that it’s her secret for healthy, smooth hair.

“I do condition my hair with honey and beer,” she said. “I smell like the bottom of a beer barrel for days afterward, but it’s very good for the hair.”

Chloë Grace Moretz — Olive Oil as a Face Wash

We’ve heard about the great skin-care benefits of oil-based cleansers, but what about using actual cooking oil as your face wash? In an interview with Allure, the “Kick-Ass” actress put the surprising beauty product to the test, swearing that it’s done wonders for her cystic acne.

“I wash my face with olive oil. I swear my skin is so much clearer because of it,” Moretz said.

Julianne Hough—Turmeric as Toothpaste

As tasty as turmeric is in curry and stews, we don’t usually think about it for its teeth-whitening potential. For one, it stains your clothes and skin like crazy. However, the “Dancing with the Stars” judge is such a strong believer in turmeric’s antibacterial strength that she brushes her teeth with it. Spoiler alert: She claims it doesn’t turn your teeth yellow either.

“I’ve actually been trying turmeric,” she told “E! News.” “You’d think it would be the opposite and it’d stain your teeth, but it actually makes them whiter. Tumeric is the bomb. Y’all should try it.”

Lady Gaga—Tape as a Face-Lift

To avoid wrinkles on her face and neck, the “Bad Romance” singer uses sticky tape to give herself a face-lift. In an interview with Porter, Gaga revealed that every so often, she uses tape to pull back sagging skin around her eyes and other places on her face.

“When I wake up and say, ‘Today is a new day,’ I get to be or choose or make or create whatever it is I am feeling in that moment,” she said. “In that moment, when I have my wig cap on and I’m taping my face, it’s a sort of meditation for me. Every day, it starts the same way. It’s like a mantra. I wash my face. I pin my hair back and put on a wig cap, and I ask, ‘How am I going to form my eyes today with this tape? How will I pull back my neck with tape?’ Or maybe I won’t pull it back at all.”

Margot Robbie — Nipple Cream as Lip Balm

The “I, Tonya” star is a strong believer that store-bought lip balms dry out your lips, forcing you to keep buying more of them. To avoid this, Robbie has come up with her own solution: nipple cream. In an interview with Elle U.K., the Oscar nominee revealed that she slathers nipple cream, which is used to hydrate the nipples of breastfeeding moms, on her lips for a plump, moisturized pout.
“My lip balm, I use Bepanthen, which is actually a nipple cream for breastfeeding mothers or diaper rash cream for babies,” Robbie said. “I have a conspiracy theory that lip balms actually have additives in them to dry your lips out so you keep buying them. But because Bepanthen is just a cream for dry skin, it works. It’s what I’ve used my whole life.”

Nicole Kidman—Cranberry Juice as a Color-Safe Shampoo

If you’re looking for an all-natural shampoo that will protect and enhance your hair color, Kidman might have the solution for you. According to Longevity, the “Big Little Lies” actress used cranberry juice to wash her hair when she had fiery bright-red locks. For blondes, the Australian beauty recommends using champagne.

“If you have red hair, try washing it in cranberry juice, and if you’re blonde, a champagne rinse can work wonders,” she said.

Shailene Woodley—Clay as Toothpaste

Perhaps one of the most free-spirited celebrities right now, Woodley is full of unusual beauty hacks. One that has piqued our curiosity is her use of clay as toothpaste. In an interview with InStyle, the “Big Little Lies” actress revealed that she mixes safe clay, like bentonite and zeolite, with coconut water and peppermint and cinnamon oil to clean her pearly whites. After you’re done brushing, Woodley recommends swallowing the toothpaste “to get a dose of minerals.”

Snooki—Cat Litter as an Exfoliant

There are a lot of things you can exfoliate with: papaya, coffee grounds, sea salt. The list goes on. But Snooki’s solution for polished, glowing skin might be the most unusual we’ve heard yet. In an interview with Conan O’Brien, the “Jersey Shore” star revealed that she mixes cat litter with water to slough off dead skin. It should go without saying, but you should use clean cat litter if you want to try this hack.

“I like to google a lot. And I don’t like to spend a lot of money on spa treatments, just because I’m, like, a cheapo. So I googled what else I could use that’s, like, not so expensive, and it was cat litter!” Snooki said.