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Treatment
HANHOO

T-zone Pore Patch

~$19· 8 Count (Pack of 4)

What it's good for

Key actives from our research database. Click any to read the full evidence dossier.

  • HydrocolloidAnecdotal evidenceFull dossier ↗

    A sticker you put over a spot overnight. It pulls out the gunk and excess oil and, just as importantly, stops you picking at it, which is half the battle with scarring. Works best on whiteheads that have come to a head, but the no-touching benefit helps any spot you'd otherwise pick at.

    Good for: Anti-acne, Barrier repair

Evidence behind the ingredients

Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.

HydrocolloidAnecdotal evidence3 citations

A sticker you put over a spot overnight. It pulls out the gunk and excess oil and, just as importantly, stops you picking at it, which is half the battle with scarring. Works best on whiteheads that have come to a head, but the no-touching benefit helps any spot you'd otherwise pick at.

Nguyen N, Dulai AS, Adnan S, Khan ZH, Sivamani RK, Narrative Review of the Use of Hydrocolloids in Dermatology: Applications and Benefits, Journal of Clinical Medicine 2025 — narrative review: hydrocolloid dressings are an established treatment in chronic/acute wound care, but for acne the authors conclude evidence is early and more clinical studies are needed

2025InconclusivePMID:40004874View source ↗

Jaturapisanukul K, Udompataikul M, Kanokrungsee S, et al. Efficacy and safety of a novel water-soluble herbal patch for acne vulgaris treatment: A randomized, assessor-blind controlled, intra-individual split-face comparative study. Dermatologic Therapy. 2021 May;34(3):e14939. — Split-face RCT (n=49); hydrocolloid acne patch reduced inflammatory acne in median 6 days; used as active control demonstrating clinically validated efficacy.

2021Positive (efficacy)PMID:33651470View source ↗

Chao CM, Lai WY, Wu BY, Chang HC, Huang WS, Chen YF, A pilot study on efficacy treatment of acne vulgaris using a new method: results of a randomized double-blind trial with Acne Dressing, Journal of Cosmetic Science 2006;57(2):95-105 — randomized double-blind trial: the hydrocolloid Acne Dressing group showed a statistically significant greater reduction in overall acne severity and inflammation over days 3-7 vs control tape, no significant adverse events

2006Positive (efficacy)PMID:16688374View source ↗

Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.

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