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COSRX Retinol 0.5 Oil, Anti-aging Serum with 0.5% Retinoid Treatment for Face, Reduce Wrinkles, Fine Lines, and Signs of Aging, Gentle Skin Care for Day and Night, Not Tested on Animals, No Parabens

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A high concentration of retinol can cause skin irritation such as redness and itching, however it’s not harmful effects but it’s burning accompanied by blood vessels to widen. It has nothing to do with skin problems. How to Use : start with 0.3 of cream to concerned areas. Gradually increase frequency and areas of application.

Premature aging slows the formation speed of new keratin cells, which also slows the coming off of dead keratin cells as the skin turnover cycle lengthens, and retinol can get rid of dead skin cells and improve the skin texture by promoting new keratin cells to normalize the turnover cycle.Reference] UV Irradiation and Cutaneous Vitamin A: An Experimental Study in Rabbit and Human Skin, J. Invest. Dermatol. 83, 401–404.

In simple language, it means that retinol derivative needs at least 4 times the amount of retinol to obtain certification for wrinkle improvement effect in Korea.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.

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. Feel the benefits of Retinol without irritation with The Retinol 0.5 Oil by COSRX. This rich and silky night oil provides a healthy glow and hydrated skin. A gentle but concentrated .5% of pure retinol improves the appearance of fine lines, creases, and wrinkles and enhances elasticity. 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. During the adaptation period, you may have skin reactions temporarily such as tingling, redness, peeling, etc. or there is no skin reaction.The "building tolerance" phase can be shortened or extended depending on individual differences. Maintain this phase until no discomfort is experienced. Gradually increase frequency and areas of application. To reap the rewards of this exceptional cream, simply apply a moderate amount to the areas of concern and gently massage it into your skin. This aids in the absorption of the active ingredients, ensuring they penetrate deeply and effectively.

Concentrated 0.3% pure retinol cream formula that promotes smooth skin texture and visibly firm 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. 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.Formulated without fragrance, parabens, sulfates, artificial colors, alcohol, mineral oil, and silicone. Water / Aqua / Eau, Caprylic/Capric Triglyceride, Propanediol, Glycerin, Tocopheryl Acetate, Cetearyl Alcohol, Trehalose, Panthenol, Butyrospermum Parkii (Shea) Butter, Glyone Soja (Soybean) Oil, Ammonium Acryloyldimethyltaurate/VP Copolymer, Dimthicone, Glyceryl Polymethacrylate, Helianthus Annuus (Sunflower) Seed Oil, Polyglyceryl-10 Stearate, Hydrogenated Lecithin, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Carbomer, Tromethamine, Glyceryl Stearate, Polysilicone-11, Sodium Sulfite, Tocopherol, Daucus Carota Sativa (Carrot) Root Extract, Retinol, Allantoin, Glyceryl Caprylate, Oryza Sativa (Rice) Bran Wax, Tocotrienols, Stearic Acid, Polyglyceryl-3 Methylglucose Distearate, Palmitic Acid, Disodium EDTA, Ethylhexylglycerin, Adenosine, Sorbitan Eostearate, Elads Guineensis (Palm) Oil, BHT, Beta-Carotene, Myristic Acid, Lauric Acid, Ascorbic Acid, Mmnanthes Alba (Meadowfoam) Seed Oil, 3-0-Ethyl Ascorbic Acid, Glutathione, Sodium Hyaluronate, 1,2-Hexanediol, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hyaluronic Acid, Sodium Acetylated Hyaluronate WATER, CAPRYLIC/CAPRIC TRIGLYCERIDE, PROPANEDIOL, GLYCERIN, TOCOPHERYL ACETATE, CETEARYL ALCOHOL, TREHALOSE, PANTHENOL, BUTYROSPERMUM PARKII (SHEA) BUTTER, GLYCINE SOJA (SOYBEAN) OIL, AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER, DIMETHICONE, GLYCERYL POLYMETHACRYLATE, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, POLYGLYCERYL-10 STEARATE, HYDROGENATED LECITHIN, HYDROXYETHYL ACRYLATE/SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER, CARBOMER, TROMETHAMINE, GLYCERYL STEARATE, POLYSILICONE-11, SODIUM SULFITE, TOCOPHEROL, DAUCUS CAROTA SATIVA (CARROT) ROOT EXTRACT, RETINOL(0.1%), ALLANTOIN, GLYCERYL CAPRYLATE, ORYZA SATIVA (RICE) BRAN WAX, TOCOTRIENOLS, STEARIC ACID, POLYGLYCERYL-3 METHYLGLUCOSE DISTEARATE, PALMITIC ACID, DISODIUM EDTA, ETHYLHEXYLGLYCERIN, ADENOSINE, SORBITAN ISOSTEARATE, ELAEIS GUINEENSIS (PALM) OIL, BHT, BETA-CAROTENE, MYRISTIC ACID, LAURIC ACID, ASCORBIC ACID, LIMNANTHES ALBA (MEADOWFOAM) SEED OIL, 3-O-ETHYL ASCORBIC ACID, GLUTATHIONE, SODIUM HYALURONATE, 1,2-HEXANEDIOL, HYDROLYZED HYALURONIC ACID, SODIUM HYALURONATE CROSSPOLYMER, HYALURONIC ACID, SODIUM ACETYLATED HYALURONATE Retinol derivatives are known to be converted to retinol by certain chemical reactions and enzyme actions and can bring an effect on the skin. However, it is a little difficult to be sure that retinol derivatives have the whole effect of retinol, as it is unclear how much can be converted to retinol in our skin by what action.

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