Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Plant oils, particularly those rich in essential fatty acids (such as sunflower, coconut, olive, and evening primrose oil), have been studied for their benefits in supporting and treating dermatitis, including atopic dermatitis. These oils can help restore the skin barrier, reduce transepidermal water loss, and possess anti-inflammatory and antimicrobial properties. Several clinical studies demonstrate that topical application of certain plant oils (notably sunflower seed oil and coconut oil) can improve skin hydration and reduce symptoms of eczema and dermatitis. Sunflower oil, for example, has been shown in randomized controlled trials to enhance the skin barrier function and reduce inflammation in infants with atopic dermatitis. Coconut oil has demonstrated both moisturizing and antimicrobial effects, which may benefit inflamed or broken skin. However, not all plant oils are beneficial; olive oil, for instance, may disrupt the skin barrier in some individuals.

The evidence supporting plant oils for dermatitis is moderate (rated 3/5), as there are well-conducted studies for a few specific oils, but evidence is not universal for all plant oils. The term "plant oil (unspecified)" is broad, and the effects may vary depending on the specific oil used. While some oils are supported by scientific research, others may lack evidence or even cause irritation. Therefore, while there is scientific validation for certain plant oils in the management of dermatitis, the generalization to all plant oils should be approached with caution.

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