Primal Life Organics does NOT add water to any product (other than the Toners). Our products are very concentrated and only a VERY small amount is needed. Our products are sized to last 2 months used twice a day. Most clients can get them to last 3 months. If they do not last two months, you are probably using too much. We suggest starting with a small amount, then next time use even less... until you find the right amount for you. The moisturizer and serum should soak in to your skin within 15 minuets. If it does not, you used too much.