Perfect for extra skincare. - Brand: GAUDISKIN - Weight: Approximately 1/2 full (Please note that I cannot measure it accurately.) GAUDISKIN GAUDISKIN DUAL RETINO EXTRA LIGHT Purchased in November 2025 at a dermatology clinic officially authorized to sell GAUDISKIN products. I will also include a lotion purchased in November (approximately 1/4 remaining). GAUDISKIN Dual Retino Extra Light is a low-concentration retinol serum. - Brand: GAUDISKIN - Product Name: Dual Retino Extra Light - Frequency of Use: Once a day - How to Use: Apply an appropriate amount (0.5-2 pumps) to the entire face. - Features: Retinol suitable for Japanese skin types. - Features: Double retinol for both offensive and defensive skincare. Will ship via either Rakuraku Mercari or Yu-Yu Mercari.