Argan oil has been hailed as a cure-all for all your hair and skin care woes. The rave reviews are enough to convince anyone to put some argan oil in your shopping cart - that is, until you see the price. With a 1.7 ounce bottle costing up to $50 and so many other (cheaper) hair oils available on the market, any smart consumer would want to understand what exactly you're investing in.

NaturallyCurly's Curl Chemist, Tonya McKay, breaks down the science behind argan oil.

MORE: Argan Oil Hair Products

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