Shea Butter - Uses, Side Effects, and More

Overview

Shea butter is a seed fat that comes from the shea tree. The shea tree is found in East and West tropical Africa. The shea butter comes from two oily kernels within the shea tree seed. After the kernel is removed from the seed, it is ground into a powder and boiled in water. The butter then rises to the top of the water and becomes solid.

People apply shea butter to the skin for acne, burns, dandruff, dry skin, eczema, and many other conditions, but there is no good scientific evidence to support these uses.

In foods, shea butter is used as a fat for cooking.

In manufacturing, shea butter is used in cosmetic products.

How does it work ?

Shea butter works like an emollient. It might help soften or smooth dry skin. Shea butter also contains substances that can reduce skin swelling. This might help treat conditions associated with skin swelling such as eczema.

Shea butter works like an emollient. It might help soften or smooth dry skin. Shea butter also contains substances that can reduce skin swelling. This might help treat conditions associated with skin swelling such as eczema.

Uses & Effectiveness ?

Insufficient Evidence for

• Hay fever. Early research shows that applying shea butter to the inside of the nose as needed over 4 days clears the airways and improves breathing in adults and children who have congestion from hayfever. The airways appear to clear in as quickly as 30 seconds. Shea butter appears to improve congestion as effectively as certain nasal decongestant sprays.
• Eczema (atopic dermatitis). Early research shows that applying shea butter to the skin, alone or with other ingredients, improves symptoms of eczema in children and adolescents.
• Acne.
• Burns.
• Dandruff.
• Dry skin.
• High blood pressure.
• Insect bite.
• Itching.
• Itchy skin infection caused by mites (scabies).
• Muscle soreness.
• Osteoarthritis.
• Rash.
• Scaly, itchy skin (psoriasis).
• Scarring.
• Skin ulcers.
• Skinwrinkles from sun damage.
• Stretch marks.
• Swelling (inflammation) of the nasal cavity and sinuses (rhinosinusitis).
• Wound healing.
• Other conditions.

More evidence is needed to rate shea butter for these uses.

Side Effects

When taken by mouth: Shea butter is LIKELY SAFE when taken by mouth in amounts commonly found in foods. There isn’t enough reliable information to know if taking shea butter by mouth in larger amounts as medicine is safe.

When applied to the skin: Shea butter is POSSIBLY SAFE when applied to the skin appropriately for up to 4 weeks. There isn’t enough reliable information to know if applying shea butter to the skin for longer than 4 weeks is safe.

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