
DERMAFIRM
A ceramide-enriched barrier repair ampoule featuring multi-molecular hyaluronic acid, Centella Asiatica, and peptides to strengthen skin's moisture barrier and provide deep hydration. Ideal for sensitive, dehydrated skin needing barrier support.
Humectant that attracts and retains moisture
Humectant and solvent that enhances hydration
Solvent and preservative booster
emollient, moisturizing, antioxidant
+ 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 Bio Correction Ampoule Cera-Drop M4 by DERMAFIRM include Glycerin (Humectant that attracts and retains moisture), Betaine (Humectant and skin conditioning agent), Glyceryl Glucoside (Hydrating agent that improves moisture retention). Drawing on K-beauty research and community consensus, key ingredients show 86% effectiveness for dehydration in dry skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Bio Correction Ampoule Cera-Drop M4 is a Korean ampoule by DERMAFIRM. 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 Bio Correction Ampoule Cera-Drop M4 are comedogenic ingredient ratings, oil content, and finish type. This ampoule contains 3 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.
Bio Correction Ampoule Cera-Drop M4 by DERMAFIRM starts from $27.30 USD for 50ml. 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.
Bio Correction Ampoule Cera-Drop M4 by DERMAFIRM is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $27.30 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.