This goes doubly true for exfoliants. Take any overly stringent exfoliant and give it new life as a body scrub for a little extra pampering. Pro-tip: AHAs and BHAs are especially good for skin issues such as bacne.

Try: NeoStrata Foaming Glycolic Wash, $40

If you have moisturizers that you only use during certain seasons, chances are you don't always get the chance to use them up before they expire. Prevent waste by using facial moisturizers as a lotion or hand cream instead. The drier areas of your body (such as elbows and knees) will thank you!

Try: St. Ives Timeless Skin Collagen Elastin Facial Moisturizer, $6.49

Facial oils have a specific shelf life and if left unused, it can really be a waste. If, for whatever reason, you can't use one of your facial oils, try mixing it with your lotion or cream to give it an extra boost of moisture. You can also pamper your nails and cuticles by putting on oil before going to sleep.

Try: Paradox Marrakech Liquid Gold, $65

One Reddit user from the AsianBeauty subreddit (one of our favorites!) suggests using cleansing balms when shaving — genius, right? You can also use balms (as well as cleansing oils) to on your hair if you happen to be going the shampoo-free route.

Try: Clinique Take The Day Off Cleansing Balm, $29.50