COSRX Master Patch Intensive Oval Hydrocolloid Acne Patches, 36-Count — Tea Tree Oil, Salicylic-Friendly Protection for Pimples

COSRX Master Patch Intensive are oval hydrocolloid acne patches with tea tree oil and salicylic-friendly design that protect blemishes and absorb impurities discreetly.

These thin, matte, oval-shaped patches are made to cover and absorb fluid from pimples while blending into skin for low-visibility wear. Formulated for curved areas like the jawline or hairline, the Master Patch Intensive combines a protective hydrocolloid layer with skin-friendly tea tree oil to support spot care without harsh rubbing or picking.

How do these patches actually help a visible pimple?

The hydrocolloid core creates a moist, protective seal that draws out pus and fluid while preventing bacteria and friction from aggravating the spot. As the patch whitens from absorbed fluid you get a visual cue that it’s working, which also discourages touching.

• Absorbs exudate to reduce swelling and flatten raised bumps.
• Forms a barrier against contaminants and hands.
• Matte, tapered edges help reduce peeling and lifting during wear.
• Visible whitening signals when to swap patches.

Can I wear these patches all day or overnight?

Yes—these patches are designed for extended wear and can stay on through daily activities and sleep. For best performance, COSRX recommends replacing patches approximately every 6 hours or when they turn white from absorbed fluid.

• Durable bond for daytime movement and nighttime rest.
• Change patch every 6 hours for optimal absorption and hygiene.
• Water-resistant enough for short showers, avoid scrubbing the area.

Why choose an oval shape instead of rounds?

The oval design follows the natural curves of the face—especially along the jawline and hairline—so it adheres more securely and covers the whole lesion. The broader edge also makes application easier and reduces edge lift compared with smaller circular patches.

• Oval sizes fit curved facial contours and larger lesions.
• M size (0.62" x 0.43") and S size (0.51" x 0.35") for varied needs.
• Easier placement due to a wider application surface.

Do these patches contain active ingredients that irritate sensitive skin?

The primary function is hydrocolloid absorption; the formula is gentle and includes tea tree oil for its soothing, clarifying scent profile. It’s free of abrasive exfoliants within the patch itself, but users with very sensitive skin should patch-test first or avoid combining with aggressive topical treatments directly under the patch.

• Hydrocolloid base minimizes direct chemical exposure to the lesion.
• Tea tree oil offers a calming, clarifying complement without harsh friction.
• Avoid layering strong acids or retinoids beneath the patch without guidance.

Who is this for: COSRX Master Patch Intensive suits anyone who wants a simple, non-invasive spot treatment that hides and protects pimples while helping to absorb fluid. It’s especially useful for people who pick at breakouts, need coverage on curved facial areas, or prefer a low-profile solution to manage occasional blemishes without disrupting their routine.