
Fation
A soothing serum featuring artemisia extract, centella asiatica, and panthenol to calm troubled skin and reduce irritation. Formulated with sodium heparin and allantoin to strengthen the skin barrier and promote healing for sensitive or acne-prone skin.
Humectant that attracts and retains moisture
Solvent and humectant for ingredient delivery
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

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The key active ingredients in Nosca9 Trouble Serum by Fation include Mugwort Extract (Soothing anti-inflammatory and antioxidant agent), Glycerin (Humectant that attracts and retains moisture), Centella Asiatica Extract (soothing, healing, anti-inflammatory), Sodium Heparin (Anti-inflammatory and soothing agent for sensitive skin), Apple Fruit Extract (Antioxidant and skin conditioning agent). Drawing on K-beauty research and community consensus, key ingredients show 85% effectiveness for redness in sensitive skin types. Seoul Sister tracks ingredient effectiveness across 5,800+ K-beauty products to provide data-backed recommendations.
Nosca9 Trouble Serum is a Korean serum by Fation. 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 Nosca9 Trouble Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 6 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.
Nosca9 Trouble Serum by Fation starts from $36.97 USD for [Original Product] Trouble Serum 50ml+[Special Gift] Trouble Serum Refill 40ml+Trouble Cream 10ml. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.
Nosca9 Trouble Serum by Fation is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $36.97 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.