Gallnut

Product Details:

• Gallnut oil, also known as gallnut extract or gallnut tincture, is derived from gallnuts, which are growths formed on oak trees in response to insect bites.
• It is rich in tannic acid and has astringent properties, making it useful in traditional medicine for treating skin conditions like eczema and dermatitis.
• Gallnut oil is also employed in the production of inks and dyes due to its ability to create a dark color when mixed with iron salts.