How to Use : start with 0.3 of cream to concerned areas. Gradually increase frequency and areas of application. This serum is safe for all skin types, and best for skin accustomed to retinol but still experiencing progressive signs of aging such as loss of elasticity and dryness. It's an intermediate-level retinol for those looking for a highly concentrated, youth booster.

Even if there is no skin reaction to the first use, it is recommended to u se it according to the guidance for use at the beginning as you may have the adaptation reaction late. If the retinol-sensitive reaction continues after the adaptation period, it is better to gradually increase the amount of use and cycle of use by considering the skin condition rather than increasing it at once. SQUALANE, GLYCINE SOJA (SOYBEAN) OIL, DI-C12-13 ALKYL MALATE, RETINOL(0.5%), CAPRYLIC/CAPRIC TRIGLYCERIDE, BHT, TOCOTRIENOLS, TOCOPHEROL, ELAEIS GUINEENSIS (PALM) OIL, HYDROXYMETHOXYPHENYL DECANONERetinol, also known as vitamin A, is one of the representative fat-soluble vitamins and has been used for skincare for a long time. This time, we would like to easily let people know about the retinol that we've heard a lot but still difficult. COSRX offers products for each step of your skincare routine, including cleansers, toners, serums, essences, moisturizers, and more. Below we’ll introduce the top 5 best selling COSRX skincare products. Retinol is an unstable ingredient for ultraviolet rays, so it is recommended to use it at night and to use sunscreen in the daytime during the period of use. After the use of retinol, the skin may feel stingy and may show signs of reddening due to deep skin exfoliation. Irritation is a temporary and normal symptom. If irritation persists, reduce the frequency or stop the use of the product.

The COSRX Snail Essence is said to be “like a multivitamin for your skin”. This lightweight, highly concentrated essence contains 96% snail mucin, providing nutrients that support repair and maintain skin moisture. COSRX Snail Essence is recommended for all skin types, especially dull, dehydrated skin and acne-prone skin. Using retinol may cause skin reactions that have not been easily seen in other ingredients. Depending on the skin type, skin reactions such as stinging, burning, skin peeling, and redness may occur. These skin reactions are phenomena that can occur when retinol works effectively on the skin. This is not a phenomenon that occurs in all skin and can be disappeared after enough period of adaptation. It is recommended that you pay more attention to your skin condition while using retinol.The key ingredient in COSRX Oil Free Moisturizing Lotion is birch juice sap (betula platyphylla japonica juice). Birch juice sap contains 11 different amino acids, sugars, and minerals, which enable this ingredient to provide excellent moisturizing effects. In fact, birch juice sap is able to mimic your skin’s natural NMF (natural moisturizing factor). This helps improve moisture retention, as well as maintain a positive oil-moisture balance in the skin. Sodium hyaluronate is the salt form of hyaluronic acid that has been shown to have better skin penetrating capabilities than hyaluronic acid alone. Similar to panthenol, sodium hyaluronate functions as a humectant by drawing moisture into the skin. Lastly, COSRX Hyaluronic Acid Intensive Cream contains emollients like caprylic/capric triglyceride, sunflower seed oil, and macadamia seed oil to help the skin feel soft and smooth. As explained earlier, retinol has been used as a skincare ingredient for a long time because of its excellent skin efficacy. However, it is relatively difficult to make high retinol concentration because it is unstable against ultraviolet rays, and the higher the retinol content, the lower the stability.To solve this unstable problem, not only the development of various retinol derivatives but also the techniques for stabilizing retinol are constantly being studied. To maintain the freshness of retinol ingredients, avoid storing in high temperatures and direct sunlight. However, in the case of pregnant and lactating women, it may cause side effects to the fetus, so please avoid using it during that period.

By incorporating COSRX The Retinol 0.1 Cream into your skincare routine, you can experience a multitude of benefits. The 0.1% retinol concentration specifically targets the visible signs of ageing, including noticeable creases, loss of skin firmness, and roughness. The pure retinol, panthenol, adenosine, and tocotrienol work together synergistically, helping to smooth out wrinkles and fine lines, revealing a smoother, more youthful complexion. Recently, an ingredient called “Retinal” is also used in cosmetics, but the ingredient that has been studied for skin efficacy for a long time is known as retinol. Therefore, the most recommended ingredient for proper efficacy is retinol. No purified water or retinol derivatives. Formulated using 0.5% stabilized, pure retinol for powerful anti-aging care. Best for skin accustomed to retinol but still experiencing progressive signs of aging such as loss of elasticity and dryness. For intermediate-level retinol users looking for a highly concentrated, youth booster.Benefits If you are new to retinol or are a little worried about using retinol, try 「The Retinol 0.1 Cream」.Because the concentration and formulation types of retinol are different, you can choose the product depending on the effect and after-feel that you want. Wrinkles and loss of skin elasticity are caused by decreased collagen production and skin elasticity in the dermis which is part of the structure of the skin. Collagen naturally decreases due to environmental factors such as aging and UV rays. Retinol will deliver visible results in wrinkles by stimulating collagen gene and synthesis in the dermis. Retinol with vitamin C, benzoyl peroxide, and AHA/BHA acids. AHA and BHA acids are exfoliating, which can dry out skin and cause further irritation if your skincare routine already includes retinol. Long-term exposure to ultraviolet rays can lead to a decrease in collagen, elastin, hyaluronic acid, etc. which are essential elements that compose the skin, and retinol can fill up the skin that becomes hollow and improve elasticity and wrinkle by promoting the synthesis of decreased components in the skin. The COSRX Snail Essence contains 96% snail mucin as the key ingredient. It has been theorized that applying snail mucin to the skin could provide skin-regenerating benefits. Many of the snail mucin benefits come from three key components: hyaluronic acid, glycolic acid, and allantoin. According to researchers at the University of Nigeria, snail mucin plays an important role in wound healing as it enhances the skin’s natural regenerative response on the formation of new tissues, probably through immune response. Due to these healing properties, snail mucin has been shown to help with acne, rosacea, scars, razor bumps, and even signs of aging.