There's no universal rule, as frequency depends entirely on your skin's needs and tolerance. A general guideline for this type of wash-off clay product is 1 to 2 times per week. This allows for the benefits of absorbing excess oil and refining skin texture without overly disrupting your skin's natural barrier. If your skin tends to be very oily, you might use it twice a week. If it's normal, combination, or leaning towards dry, once a week or even every other week may be plenty.
Overuse is a real concern with absorbent clays. Using it too frequently can lead to excessive dryness, a feeling of tightness, flakiness, or even compensatory overproduction of oil (sebum) as your skin tries to rehydrate itself. It can also make sensitive skin more reactive. The key is to observe how your skin feels the day after use. If it feels comfortably smooth but not stripped, you're on the right track. If it feels tight, itchy, or looks red, you should reduce the frequency or shorten the application time. Always follow the mask with a moisturizer to replenish hydration. This product fits well as an occasional intensive treatment within a broader routine of gentle cleansing and regular moisturizing.