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The reason for slippery elm to appear in the list of home remedies for dermatitis is due to its mucilage content which is effective at moisturizing the skin and improving the healing process. How to use: 1  Take some slippery elm leaves to grind to form a paste.  Use the paste to apply onto the affected skin.
Research shows the use of vitamin E and onion extract (sold as Mederma) as treatments for scars is ineffective. Vitamin E causes contact dermatitis in up to 33% of users and in some cases it may worsen scar appearance and could cause minor skin irritations, but Vitamin C and some of its esters fade the dark pigment associated with some scars.