Tylo powder (also known as Tylose powder) is used to make sugarpaste dry harder than it normally would.
Not only that but it is also natural and useful for making edible glue.
Available in 50g, 80g & 120g
Edible glue recipe:

Mix 1 part Tylo Powder to 30 parts water. 

Leave overnight, add more water to achieve the required consistency.