It's really easy! I take 1 cup of green tea (boil the water, steep the tea for about 10 minutes, then let it cool) and mix it with 1/4 cup of witch hazel. Â A friend told me she has started adding chamomile and loves it, but I haven't tried that yet, When I have it, I mix in 5-10 drops of lavender essential oil (it is anti-inflammatory, antiseptic, and anti fungal). Then I squeeze in a couple of leaves worth of aloe vera juice, shake it all up, and put it in a tightly covered bottle/container. The aloe and essential oil are both optional, but have their own benefits! You can store it in the fridge and it will last a while. I sometimes put a small amount in a little bottle and put it in my vanity in case I don't want to go all the way to the fridge and it has never gone bad being unrefrigerated in a cool dark place for a week or two.