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Scrubs work best on damp skin, so enjoy the warm water for 5 to 10 minutes. This will help soften the skin up in preparation for the scrub. Have the jar of scrub ready to use. How much you scoop up depends on what area of your body you will be scrubbing. You'll need more scrub for your legs (ie: palm-full) than for your feet (ie: coin-sized). Cover the jar with its lid immediately after, especially if you are taking a shower, so that no water gets inside. Use a gentle, circular motion while doing so. Keep the body part out of the water while doing this so that the scrub does not wash off. You can massage the scrub for up to 1 or 2 minutes. If your skin feels oily afterwards, you can wash it with soap and more water. Leaving a thin film of oil on your skin would not be a bad idea, however, especially if you have dry skin. The oil will get absorbed into your skin, and help moisturize it. Body oil would be even better because it absorbs into your skin more readily. Lightly pat your skin dry—enough so that it is still damp, but not dripping wet—then apply your desired moisturizing lotion o body oil. Avoid using the scrub too often, or you may end up irritating your skin. You can also use the scrub less often, if you prefer. The scrub is self-preserving, so it should last up to 1 year; if it starts to look or smell bad before then, however, toss it out. If you added citrus juice to your scrub, use it within 1 week. You can prolong its shelf life to 2 or 3 weeks by keeping it in the fridge, however.

Summary:
Step into the tub or shower. Scoop out a small amount of the scrub. Massage the scrub onto your skin. Rinse the scrub off. Follow up with some moisturizer. Use the scrub up to once or twice a week.