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The essential oil industry is massive, but does the popularity of these products speak to their efficacy?
Due to its scarcity, blue tansy oil is one of the more expensive essential oils on the market.

It’s derived from the blue tansy plant, a relative of chamomile native to Morocco.
But is it worth the exorbitant price tag, or are other products equally as effective?
Alternatively, Herbivore Botanicals dilutestheir $72 Blue Tansy Face Oilwith kukui nut oil.

As Healthline warns, double-check vegetable oil isn’t mixed in this will decrease the product’s efficacy.
Instead, opt for “Tanacetum annuum,” a rarified form.
Los Angeles-based dermatologist Ava Shamban, MD, agrees.

“Its distilled essential oil is soothing, nourishing, and rich in texture,” she informsByrdie.
So it may stop breakage and offer the best support for growth and regrowth."
Over time, it can also help with dandruff.
Though be warned: if you have bleached hair, blue tansy oil might leave behind a bluish tint.