Beauty of Joseon Calming Serum is enriched with natural soothing and moisturizing ingredients to calm skin irritated by UV rays and other external factors. Its new formula (2022) contains 50% green tea leaf water, 30% artemisia extract and 5% Panthenol have been added instead of 2% in the previous version. The serum has a light, airy texture and is enriched with traditional Korean herbal medicines (hanbang). It aims to reduce redness by effectively soothing sensitive skin. Green tea, rich in antioxidants, helps reduce sebum production and oiliness. In addition, it soothes and enhances skin tone. The main component of green tea, EGCG (catechin), consists of tannins and polyphenols. It is known to effectively improve skin damaged by UV rays. Ultraviolet rays are the main cause of pigmentation and skin aging. Catechin suppresses the synthesis of melanin pigment caused by ultraviolet rays and removes free radicals that promote aging, thus helping to maintain bright, blemish-free skin. Green tea contains a large amount of vitamin C, 5-8 times more than lemon, which is an essential ingredient for glowing skin. Mugwort has been a very important ingredient throughout the history of Eastern medicine. As a skin care ingredient, it hydrates and maintains skin moisture, soothes it, and also has antibacterial and anti-inflammatory properties. In addition, panthenol keeps the skin soft and supple, while Centella Asiatica calms it. Other ingredients in the serum and their properties: Glycerin, Sodium Hyaluronate, Propolis Extract which provide hydration. These ingredients are ideal for oily, normal and combination skin types. With a pH of 6.6, this serum is formulated without artificial fragrances, colors, parabens, alcohol, silicone, mineral oil, phenoxyethanol, sulfates, PEGs, EU allergens