If you want a base lubricant ซิลิโคน is slippery, slow drying, waterproof, must be washed with soap to get out, should be used 1.group ซิลิโคน type that can be dispersed directly in water eg Silicone Hi-Cond Silicone Gel Silicone Hi-Cond (It doesn't have to be this one) Shouldn't use more than 5% ri...