In general, you should exfoliate your face only twice per week. For best results, exfoliate after you've used a face wash and rinsed thoroughly with warm water. You can use a daily facial cleanser which is appropriate for both morning and nighttime face washing.

When should scrub be used?

Face scrubs control the build-up of sebum, a naturally occurring oil on the skin that clogs pores and causes blemishes. We recommend you use a face scrub once or twice a week. If your skin is particularly oily, you may increase it to three times a week. More than that would tend to over-dry your skin.

Should I use a scrub in the morning or at night?

Rouleau says the best time to use a scrub is in the morning. Overnight you've loosened up dead skin cells with your glycolic acid or retinol products, making the morning a perfect time to brush them off.