When purchasing lube, the primary thought on a woman's mind is: Is it safe? So I was pleased to see that Sliquid is glycerin- and fragrance-free, hypoallergenic and non-toxic. Next thing we want to know is: Will it work with my toys? Sliquid is latex-friendly, and, as the packaging declares, it loves rubber. And not only does it last a good while, it never gets tacky.