Dear, Klairs Blue Youth Activating Drop 50ml

A lightweight, water-based first-step serum that works in as little as three minutes to calm irritation, fade post-acne marks, and support a clearer, more even complexion.

Texture: Ultra-light, non-sticky, water-based serum

Finish: Invisible — absorbs instantly without residue

Hydration: Maintains essential moisture levels throughout the day

Target: Redness, blemish marks, uneven tone, and early signs of aging

Proof: Formulated with clinically recognized actives including adenosine and a multi-peptide complex

Best for: Oily, acne-prone, sensitive, and post-breakout skin types

Key Ingredients

• Guaiazulene — helps calm redness and soothe sensitive or irritated skin on contact
• Multi-Peptide Complex (sh-Oligopeptide-1, sh-Polypeptide-1) — supports skin regeneration and helps improve firmness and elasticity
• Vaccinium Angustifolium (Blueberry) Fruit Extract — provides antioxidant support to help defend skin against environmental stressors
• Adenosine — helps smooth the appearance of fine lines and supports overall skin resilience
• Lecithin — helps reinforce the skin barrier and aids in the delivery of active ingredients

How to Use

Step 1 — Dispense 3–4 drops into your palm immediately after cleansing, before toner, to maximize absorption into bare skin.

Step 2 — Gently press and pat the serum into your face using your fingertips, allowing skin to absorb fully.

Step 3 — For targeted care, apply directly to stubborn blemish marks or spots using a clean cotton swab.

Full Ingredients

Water, Glycerin, Niacinamide, 1,2-Hexanediol, Dipropylene Glycol, Lecithin, Guaiazulene, Vaccinium Angustifolium (Blueberry) Fruit Extract, Adenosine, sh-Oligopeptide-1, sh-Polypeptide-1