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We all want to prevent the process in which water evaporates through our skin known as transepidermal water loss (TEWL). It’s found to be higher in sites affected by psoriatic lesions.
TEWL can be reduced through the use of substances that reduce the loss of moisture (a single ingredient can be more than one of the below):
Humectants draw water from the environment into the skin.
Occlusives form a protective layer on the skin to trap in moisture.
Emollients soothe, smooth, repair and strengthen the skin.
A book I read championed Vaseline as the best for TEWL prevention, but it’s packed with paraffins and parabens. Thankfully, many natural alternatives exist (my research suggests that Avocado Oil and Avocado Butter demonstrates the properties of all three):
Hum: Aloe Vera | Glycerin* | Honey | Hyaluronic Acid | Seaweed
Occ: Almond Oil; Castor Oil; Cocoa Butter; Jojoba Oil; Olive Oil; Shea Butter
Emo: Castor Oil; Cocoa Butter; Coconut Oil; Mango Butter; Shea Butter
*This encouraged me to give Pure Glycerin Soap a try.
To begin with, the body butter recipe I originally created needed an update. I had been using refined shea butter; unrefined is the skin-nourishing choice since nutrients are lost in the refining process.
The main different types of butter itself include avocado, cocoa, mango and shea. Their properties are as follows:
I discounted cocoa due to a high comedogenic rating (more on that further down) and mango since it’s the most expensive on the list.
Many of the handmade products and recipes online incorporate more than one butter, oils and extra ingredients such as aloe vera, too. I therefore decided to include both avocado and shea in my new version- as well as aloe vera gel. As for essential oils, these ones tend to be recommended in psoriasis-beating blends:
Black Seed | Broccoli | Chamomile |
Eucalyptus | Frankincense | Lavender | Oregano | Rosemary | Tea Tree | Turmeric
Weighing up a variety of recipes resulted in me choosing and tweaking this one. I learned about the double boil method at the same time: this involves melting butters slowly, on a low heat. Rapid heating (i.e. in a microwave) can lead to nutrient loss.
Note: shea butter and similar materials may cause white 'streaks' to appear on your clothes. I experienced this and came across a community of other people dealing with the same issue. Using a hairdryer on the affected areas does seem to work.



As mentioned, essential oils that tend to be recommended in psoriasis-beating blends include:
Black Seed | Broccoli | Chamomile | Eucalyptus | Frankincense | Lavender | Oregano | Rosemary | Tea Tree | Turmeric
Based on price, availability and psoriasis-oriented benefits, I decided to go with these combinations:
Carrier Oil: Avocado
Essential Oils: Turmeric
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Carrier Oil: Jojoba
Essential Oils: Geranium
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