Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Avocado, particularly in combination with soybean unsaponifiables (ASU), has some scientific support for its use as a topical treatment in psoriasis, though the evidence is limited and not robust. A few clinical studies and reviews have suggested that avocado oil, when used in combination with soybean unsaponifiables, may help improve the symptoms of chronic plaque psoriasis. For example, a randomized controlled trial published in the journal Dermatology (2001) found that an avocado oil and soybean unsaponifiables cream was as effective as calcipotriol (a vitamin D analogue) in reducing symptoms of psoriasis over a 12-week period. The proposed mechanisms include anti-inflammatory effects and the promotion of skin barrier repair due to the high content of phytosterols and vitamin E in avocado oil.

However, it is important to note that pure avocado oil alone has not been extensively studied for psoriasis, and most of the limited evidence pertains to its combination with soybean unsaponifiables. The studies conducted to date have small sample sizes, and further large-scale, high-quality clinical trials are needed to confirm efficacy. There is also a lack of strong evidence regarding oral consumption of avocado for psoriasis treatment. In summary, while there is some scientific validation, the quality and quantity of evidence are moderate at best, and avocado (especially in combination with soybean extracts) may offer modest benefits for topical management of psoriasis symptoms.

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