
Dear, Klairs
A lightweight hydrating serum that helps activate youthful-looking skin with moisture-binding ingredients. Suitable for those seeking improved skin hydration and a plumper appearance.

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Blue Youth Activating Drop 50ml Set is a serum by Dear, Klairs. Subscribe to Seoul Sister for full ingredient analysis across our database of 5,900+ K-beauty products.
Blue Youth Activating Drop 50ml Set is a Korean serum by Dear, Klairs. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all N/A 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 Blue Youth Activating Drop 50ml Set are comedogenic ingredient ratings, oil content, and finish type. 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.
Blue Youth Activating Drop 50ml Set by Dear, Klairs starts from $45.31 USD. Seoul Sister does not sell products — we compare retailer pricing so you can buy from the source.
Blue Youth Activating Drop 50ml Set by Dear, Klairs is sold through Korean beauty retailers. Prices start from $45.31 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products. 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.