The £19 Amazon hair growth serum with such 'unbelievable results' it's got 4,700 five-star ratings

Achieving longer, thicker and more luxurious hair is not necessarily an easy task. There are a number of reasons of why hair can stop growing or grow slowly, including age, genetics, hormones or stress.

Luckily, there are plenty of treatment options to reverse thinning or slow growing hair, some of which are budget-friendly. Hair oils can stimulate the growth of new hair, as well as increase the thickness and length of existing locks and there is one oil in particular that beauty buffs are raving about.

Shoppers are obsessing over Forest and Shore's Hair Oil. It typically retails for £31.65 but shoppers can save almost £13 as it's slashed to £18.99 on Amazon for a limited time, as Wales Online reports. The serum is said to 'repairs years of damage' within a few weeks of application, according to those who have already tried it, who have noted 'unbelievable' results.

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This oily solution is designed to stimulate your scalp and prompt healthy and thick hair growth and contains a whole heap of active ingredients to achieve that naturally. Forest & Shore says that the serum includes caffeine, biotin, castor oil, argan oil, coconut oil, and rosemary oil, among other powerhouse ingredients.

If it works as directed it should not only stop your hair from thinning but also promote new hair growth, resulting in thicker and more luscious locks over time. That's something that people in the reviews have been thrilled with - and there are more than 6,000 of these verdicts averaging out at a