
Anua
A pore-minimizing serum containing witch hazel, Enantia Chlorantha bark extract, and oleanolic acid to control sebum production and refine enlarged pores. Suitable for oily and combination skin types seeking pore texture improvement.
Texture enhancer and mattifying powder
Synthetic polymer thickener and texture stabilizer
+ 15 more ingredients

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The key active ingredients in Pore Tightener EX by Anua include African Whitewood Bark Extract (Sebum regulator and pore refining agent), Grapefruit Extract (Antioxidant and skin conditioning agent), Witch Hazel Extract (Astringent and anti-inflammatory soothing agent), Purslane Extract (Antioxidant and soothing anti-inflammatory agent), Aloe Vera Leaf Extract (Soothing and hydrating botanical extract). Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Pore Tightener EX is a Korean serum by Anua. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Pore Tightener EX are comedogenic ingredient ratings, oil content, and finish type. This serum contains 13 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Pore Tightener EX by Anua is sold through authorized retailers and the brand itself. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.
That $11 Korean cleanser outperforming your $38 one is not hiding anything. The low price comes from how the Korean beauty industry is built, not from what is in the bottle. With one geographic catch.
Sulwhasoo First Care Serum is a $90+ luxury product, which makes it one of the most counterfeited items in K-beauty. Here are five verifiable checks (from packaging weight to barcode origin) to confirm your bottle is real before it touches your face.