Bored of your dull, lifeless hair? Do you dream of big, bouncy locks? Of hats that don't fit on your head because of all that volume?

Well look no further than placenta shampoo. (Yes, we said placenta.)

The nutritional benefits of eating placenta - or placentophagy - has long been discussed, but it's only recently the idea of putting it on your head has hit the mainstream.

See also: Midwife Sells 'Placenta Pills' To New Mums

The dominant placenta-based hair product is La Bella, which uses cow placenta and claims to "revitalise hair".

The Huffington Post's Erica Cheung has used placenta on her hair since her childhood, and despite calling it "goo-ey" swears by its benefits.

"The memory of my mother lathering afterbirth all over my head is akin to other memories of her teaching me how to braid my hair or going to buy my first bra. It was all very normal to me!" she said. "Growing up, I had the most beautiful hair; you could definitely tell the difference the placenta treatment made. When I use it now, my hair feels soft and smells really good for days."

The products are available in the US and on Amazon.

Perhaps concerningly, one Amazon reviewer said: "This shampoo works great, don't be surprised with the weird feeling you get when you rinse it off."

We're not sure if we'll be rushing out to buy it to be honest.

Have you tried it? If so give us your review in the comments below

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• Bull's Sperm Hair Care

  Dubbed the, 'Viagra for hair', this hair conditioning treatment is derived from the sperm of a bull. Combined with a protein-rich Katera root, this treatment promises to help repair broken hair and give it a silky smooth look...

• Cactus Massage

  A cactus would be the last thing you think of when dreaming about a relaxing massage, but the spiky cactus leaf can be used as a massaging instrument. A prick-free cactus pad is used to rub down the skin and help bring out the toxins, whilst absorbing a blend of hydrating cactus meringue and cactus blossom into your skin.

• Derriere Facial

  It's not just your face that deserves a little TLC... In the US, the new 'butt facial' is a treatment that is designed to tone, de-blemish, massage, and polish your neglected derriere.

• Placenta Face Cream

  The placenta has another use other than feeding an unborn baby - as an anti-ageing beauty cream! For the cream, lamb placental extract is taken to create a potent lotion which rich in nutrients and bio-stimulants, promising to revitalise and moisturise your skin.

• Hay Body Wrap

  In Italy, you can indulge (if you could call it that) with a wet hay body wrap. But before you conjure images of a scratchy experience, this treatment has a twist - you soak in a water bed heated to over 100F degrees while you're wrapped in the hay. The unusual treatment is said to fortify your immune system and stimulate your metabolism.

• Bird's Poo Facial

  A favourite with the Japanese Geisha ladies, this unusual facial made from sterilised nightingale bird excrement, is proving to be popular with Western beauty-seekers too. The treatment promises to brighten up the complexion and contains enzymes which act as an effective skin cleanser.

• Beer Bath

  Although a cold beer helps ease the stress away after a hard day, but a beer bath? In West Bohemia, Czech Republic, they believe that beer has super healing powers and have spas around the country offering 'relaxing' beer baths. Apparently beer has skin boosting B vitamins and helps those with high blood pressure. Not to be outdone, a spa in Japan called Yunessan boasts a giant bath full of Sake, green tea, coffee and even ramen noodles...

• Butter 'Tightening' Treatment

  In Ethiopia, a butter massage is the beauty treatment to have for women hoping to give their lady parts a 'makeover'. Massaged in butter from scalp to toe, butter is applied everywhere on the body (in and out). The women then sit above a smoke hole in a gymnastic-like pose until the butter melts completely. This bizarre treatment apparently tightens vaginal muscles post-pregnancy.

• Snake Massage

  In Israel, a snake massage is used to relieve heavy back tension and stress... you just have to block out the fact that your masseuse is a slithering snake! But fear not, all snakes are non-venomous.

• Vagina Brightner

  Lactacyd White Intimate Wash has hit the Thai beauty market, promising to make your privates "safely fairer within four weeks" Because according to them: "Sweat and excessive friction from tight clothing can darken the skin around the intimate area, causing self-consciousness, decreased confidence or inhibiting intimacy."

• Vagina Tightener

  India's 18 Again "tightening and rejuvenating" cream was advertised through the medium of song and dance. Rishi Bhatia, chairman and managing director of Ultratech India, told Campaign India: "18 Again is a first-of-its-kind product for women in India. This product is being launched in India post clinical trials conducted amongst women of all age groups under dermatological control.

See also:

I Use Placenta On My Hair -- And It's Great!

The 'Vampire Facelift' And Other Bizarre Beauty Treatments (PHOTOS)