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This is SOME BY MI's viral blackhead-targeted cleanser, famous for the bubbling action that appears when you massage the paste into wet skin. The bubbles are generated by a perfluorocarbon emulsion system that releases oxygen on contact with water and air, visible as fine foam that feels fizzy on skin. Marketing aside, the bubble action does have a cleansing function: the carbonation helps lift debris from pore openings while the active ingredients (salicylic acid, green tea extract, charcoal) work on the congestion.
The "30 Days Miracle" branding sets a specific expectation. Used consistently for 4 weeks as a 2 to 3 minute mask (not just a regular cleanse), blackhead visibility on the nose and chin does reduce noticeably. It is not a permanent fix; blackheads re-form as long as pores produce sebum. But as a maintenance tool, this cleanser is one of the more effective blackhead-targeted products in the Korean mainstream.
Salicylic acid (BHA) penetrates pore openings to dissolve oil-based congestion. Green tea polyphenols deliver antioxidant and mild sebum-regulating effects. Charcoal adsorbs surface impurities. The bubble action provides physical agitation without harsh scrubbing. As a 30-second cleanse: standard daily use. As a 2 to 3 minute mask: concentrated pore treatment. Consistent mask-style use for 3 to 4 weeks reduces visible blackheads meaningfully.
Daily use: wet face, apply a pearl-size amount, massage for 30 to 60 seconds until bubbles form, rinse. Weekly pore treatment: apply to dry or slightly damp T-zone, massage until bubbles appear, leave on 2 to 3 minutes (do not exceed), rinse thoroughly. Follow with hydrating toner and moisturizer. Do not use twice daily in mask mode; over-exfoliation risk.
They provide gentle physical agitation and signal product contact, but the cleansing itself comes from the salicylic acid and surfactant system. The bubbles are part of the user experience and the delivery mechanism, not the primary active.
Visible reduction: 2 to 3 weeks of consistent use. Best results: 4 to 6 weeks. Blackheads will re-form if you stop; this is maintenance, not cure.
Use sparingly. The BHA and charcoal can dry sensitive skin. Start with short-contact use (30 seconds) 2 to 3 times per week, not daily. Skip the mask mode. Follow with extra moisturizer.
Daily use: 2 to 3 months. Mask-mode weekly plus regular daily cleanse: 1.5 months.
Different format. COSRX BHA is a leave-on treatment (higher concentration, longer contact). This is a rinse-off cleanser (lower concentration, shorter contact). Leave-on BHA is more effective for stubborn blackheads; rinse-off BHA is gentler and works for maintenance. Many users run both.
Pair with SOME BY MI AHA-BHA-PHA Body Cleanser for body pores, or SOME BY MI Yuja Niacin Anti Blemish Serum for post-acne marks. Browse the full SOME BY MI collection.
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