I bought this because it was recommended on social media, but I've only used it once. No price reduction. Original price was around 4000 yen. [Tone-up & Firming Care] This serum contains niacinamide and adenosine to support collagen production, improving skin tone and firmness. [Highly Moisturizing Serum] Ingredients like ceramide form a moisturizing barrier, providing thorough hydration. [Perfect Match with PH Cream] Using it with PH cream creates synergistic effects, such as improved moisturization, and enhances makeup adhesion. [Contains Fermented Oil Ingredients] Penetrates deep into the skin, beyond what typical oils can achieve, to condition the skin. [Penetrates Deeply with 1/600th the Size of Pores] MF (nano-emulsification) technology creates fine particles that adhere firmly to the skin, delivering moisture deep into pores. Perfect for those who like medicube (メディキューブ) and anua (アヌア)! SAMU Buzz Ceramide Niacinamide Adenosine Centella Asiatica Cica Moisturizing Emulsion Face Moisturizing Cream Skin Irritation Dry Skin Night Care Korean Skincare PH Sensitive Facial Treatment 50ml SAMU