In anything that calls for water you can play with the recipe by swapping that water for things that are mostly water. Examples of such ingredients include witch hazel, floral waters, hydrosols, and aloe vera juice (NOT GEL!). All of these things can be utterly lovely in a lotion, toner, or mist!
Do keep in mind, though, that these not-water water-like-ingredients contain delicious bug food (bits of botanical matter) that make our creations harder to preserve. For that reason, I do not recommend a 100% swap. If a lotion calls for 70g of water, try swapping 30g of that for a hydrosol or other not-water-water-swap.
And remember—when water is involved, a broad spectrum preservative is a MUST.
Posted in: Substitutions