The product description suggests this blue clay is suitable for oily or combination skin and is intended for occasional use on areas prone to visible impurities. For cosmetic clays, which work by absorbing excess oil, a general guideline is to start with once a week to observe how your skin or scalp responds. If your skin tolerates it well and you continue to experience a feeling of oiliness or buildup, you could consider using it up to twice a week. However, for drier or more sensitive skin types, sticking to once every 10-14 days is often a safer approach to avoid tightness or irritation. Pay close attention to how your skin feels after rinsing; if it feels uncomfortably dry or tight, reduce the frequency. It’s a simple mineral-based product meant as part of a balanced regimen, not a daily cleanser.
For the scalp, the same principle of occasional, clarifying treatment applies. If you use a lot of styling products, you might use it once a week. For a less oily scalp, once every two weeks may be sufficient. Always follow with a moisturizer for your face or a conditioner for your hair to replenish moisture after the clay's astringent effect. If your skin is prone to irritation or you have very reactive skin, test on a small area first and consult with a dermatologist or cosmetic specialist if you have any concerns.