I've been a licensed esthetician for over a decade running Dermal Era Holistic Med Spa in Miami, and I've treated thousands of clients with acne-prone and oily skin types. I've worked extensively with activated charcoal in our detox facials, so I can speak from real clinical experience. **For sensitive skin:** activated charcoal can be too harsh if used daily or in high concentrations. I've seen it strip the skin barrier when overused, especially on my Miami clients dealing with both sensitivity and humidity. If you have reactive skin, limit use to once or twice weekly max, and always follow with a hydrating toner like our Skin Dew to restore pH balance. **For oily skin and blackheads:** charcoal absolutely works because it binds to sebum and draws out impurities from congested pores. In our Detox/Acne Treatment facials, we pair charcoal-based cleansing with microdermabrasion, and clients see visible pore refinement within 2-3 sessions. The key is consistency--using it weekly as part of a complete regimen that includes exfoliation (like our Derma Clean) and a non-comedogenic moisturizer, not just a one-off charcoal mask. One thing most articles miss: charcoal cleansers don't prevent oil production, they just remove excess oil temporarily. For long-term oil control, you need internal support too--we've had great results pairing topical treatments with supplements like SkinCapsule CLEAR+ that actually regulate sebum from the inside out.