Available in 40g, 50g, 100g and 200g tins. 40g tins are oblong and are flat enough to fit in a LARGE LETTER for postage. Put together in South London by Beth Each lanolising treatment uses approx. 5g, so 50g would last about a year if treating one item once per month.   Lanolin is a natural sheep fat obtained in process of cleaning wool. It’s a perfect moisturizer- you can use it directly on your skin. Many new mothers use it at the beginning of breastfeeding, as it helps with cracked nipples. Lanolin is also an essential ingredient of lanolin wool treatment, that we need to make every so often to make wool covers waterproof and antibacterial.