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Highlights
WHAT IS IT?
Exfoliating liquid toner with BHA and Niacinamide
FEATURES
Gentle exfoliation, oil control
BEST FOR
Oily, acne-prone skin
CHECKS
Free of sulfates, parabens
Who Is It For?
Adults (18+)
Both Men And Women
What Does It Help With?
Blackheads
Clogged Pores
Excess Oil
Budget
Mid-range
How To Use
Which routine should it be used in?
Morning
Evening
Cleanse
Tone
Eyecare
Serum
Moisturize
Suncare
Instructions:
After cleansing, use in the skin, toner, or essence step. If used as toner, make sure the liquid is fully absorbed before applying next step skincare products. Recommend to use 2-3 times in a week, and gradually build up the usage according to the skin condition.
Key Information
Vegan
Cruelty-free
Sensitive-safe
Non-comedogenic
Hypoallergenic
Microbiome-safe
Preservative-free
Eco-friendly
Pregnancy-safe
Oil-free
What COSRX Says
Product Description:
BHA & Niacinamide exfoliating liquid for gentle exfoliation and oil control. Suggested for mid-level acid users.
About the Brand:
COSRX has revolutionized Korean skincare with its minimalist, problem-solving approach. Known for high-concentration formulas and clean ingredient lists, this brand focuses on effective solutions for various skin concerns. Experience the perfect balance of science and simplicity with COSRX's targeted treatments that deliver visible results.
Salix Alba (Willow) Bark Water, Betaine Salicylate, Niacinamide
Ingredients Details
12
Hexanediol
1,2-Hexanediol is a multifunctional ingredient widely used in skincare and cosmetic formulations. This clear, colorless liquid is a member of the alkanediol family and serves as both a preservative enhancer and a solvent. Its molecular structure allows it to penetrate the skin barrier effectively, making it an excellent carrier for other active ingredients.
As a preservative booster, 1,2-Hexanediol works synergistically with traditional preservatives, enhancing their efficacy and allowing for lower concentrations of potentially irritating antimicrobial agents. This dual-action compound also exhibits mild antimicrobial properties on its own, contributing to product stability and shelf life.
In addition to its preservative functions, 1,2-Hexanediol acts as a humectant, attracting and retaining moisture in the skin. This property helps to improve overall skin hydration and texture. Its solvent capabilities make it valuable for dissolving and stabilizing various cosmetic ingredients, ensuring uniform product consistency.
1,2-Hexanediol is generally well-tolerated by most skin types and is considered safe for use in concentrations typically found in cosmetic products. Its versatility and effectiveness make it a valuable component in a wide range of skincare formulations, from serums to moisturizers.
Arginine
Arginine is a semi-essential amino acid that plays a crucial role in skin health and repair. This versatile ingredient is naturally produced by the body but can also be synthesized for use in skincare formulations. Arginine is known for its ability to enhance collagen production, a key protein responsible for skin elasticity and firmness.
In skincare products, arginine functions as a humectant, drawing moisture into the skin and helping to maintain hydration levels. It also acts as an antioxidant, protecting skin cells from free radical damage and environmental stressors. Arginine stimulates the production of nitric oxide, which improves blood circulation and promotes a healthy, radiant complexion.
Research has shown that arginine can accelerate wound healing and support the skin's barrier function. It aids in the synthesis of creatine, an important molecule for cellular energy production. Topical application of arginine-containing products may help reduce the appearance of fine lines and wrinkles, improve skin texture, and enhance overall skin tone.
Arginine is generally well-tolerated and suitable for various skin types. It is often combined with other active ingredients to create comprehensive skincare formulations targeting multiple skin concerns.
Betaine
Salicylate
Betaine Salicylate is a gentle yet effective beta-hydroxy acid (BHA) derivative that combines salicylic acid with betaine, a natural amino acid compound. This unique formulation offers exfoliating and anti-inflammatory benefits while being less irritating than traditional salicylic acid. Primarily used in skincare products for its ability to penetrate pores and dissolve excess sebum, Betaine Salicylate is particularly beneficial for oily and acne-prone skin types.
The ingredient works by breaking down the bonds between dead skin cells, promoting cell turnover and unclogging pores. Its oil-soluble nature allows it to effectively target and reduce blackheads and whiteheads. Additionally, Betaine Salicylate exhibits antimicrobial properties, helping to control acne-causing bacteria.
Typically found in concentrations between 0.5% to 2% in skincare formulations, Betaine Salicylate is often incorporated into cleansers, toners, and leave-on treatments. Its milder nature compared to salicylic acid makes it suitable for daily use and for those with sensitive skin. The ingredient also demonstrates moisturizing properties due to the betaine component, helping to maintain skin hydration while exfoliating.
Butylene
Glycol
Butylene Glycol is a versatile organic compound widely used in skincare and cosmetic formulations. This colorless, viscous liquid functions as a humectant, solvent, and conditioning agent. Its molecular structure allows it to attract and retain moisture, making it an effective hydrating ingredient for various skin types.
In skincare products, Butylene Glycol serves multiple purposes. It acts as a penetration enhancer, facilitating the delivery of other active ingredients deeper into the skin layers. This property improves the overall efficacy of formulations containing beneficial compounds such as antioxidants or peptides. Additionally, it contributes to the smooth texture and spreadability of creams, serums, and lotions.
Butylene Glycol also exhibits antimicrobial properties, helping to preserve product integrity and extend shelf life. Its low molecular weight allows for quick absorption without leaving a greasy residue, making it suitable for both oily and dry skin types. While generally well-tolerated, some individuals with sensitive skin may experience mild irritation.
This ingredient is commonly found in a wide range of skincare products, including moisturizers, toners, and masks, typically at concentrations between 1% and 5%. Its multifunctional nature and compatibility with various formulations make Butylene Glycol a valuable component in modern skincare.
Ethyl
Hexanediol
Ethyl Hexanediol, also known as 2-ethyl-1,3-hexanediol, is a versatile synthetic ingredient used in various skincare and cosmetic formulations. This clear, colorless liquid functions primarily as a solvent and preservative enhancer, contributing to the stability and efficacy of product formulations. Ethyl Hexanediol exhibits antimicrobial properties, helping to inhibit the growth of bacteria and fungi in cosmetic products, thus extending their shelf life.
In skincare applications, Ethyl Hexanediol serves as an effective penetration enhancer, facilitating the absorption of other active ingredients into the skin. This property makes it particularly useful in formulations designed for deep skin penetration, such as anti-aging serums and targeted treatments. Additionally, it acts as a mild astringent, potentially benefiting individuals with oily or acne-prone skin by temporarily tightening pores and reducing excess sebum production.
While generally considered safe for use in cosmetics, some individuals may experience skin irritation or sensitization, particularly at higher concentrations. As with any skincare ingredient, patch testing is recommended before widespread use. Formulators typically incorporate Ethyl Hexanediol at concentrations ranging from 0.1% to 5%, depending on the specific product requirements and intended benefits.
Niacinamide
Niacinamide, also known as nicotinamide or vitamin B3, is a versatile and well-researched skincare ingredient with numerous benefits for various skin types and concerns. This water-soluble vitamin plays a crucial role in cellular energy production and repair processes within the skin.
Niacinamide is renowned for its ability to improve skin barrier function by increasing ceramide production, which helps retain moisture and protect against environmental stressors. It has been shown to regulate sebum production, making it beneficial for those with oily or acne-prone skin. The ingredient also possesses anti-inflammatory properties, helping to soothe irritated skin and reduce redness associated with conditions like rosacea.
Furthermore, niacinamide has demonstrated efficacy in improving skin tone and texture by inhibiting melanosome transfer to keratinocytes, thus reducing the appearance of hyperpigmentation and dark spots. It can also stimulate collagen production, contributing to improved skin elasticity and reduction of fine lines.
Typically used in concentrations between 2% and 5%, niacinamide is well-tolerated by most skin types and can be easily incorporated into various skincare formulations, including serums, moisturizers, and toners.
Panthenol
Panthenol, also known as pro-vitamin B5, is a versatile and widely used ingredient in skincare and cosmetic formulations. This alcohol form of pantothenic acid readily converts to vitamin B5 when absorbed by the skin, offering numerous benefits for skin health and appearance.
As a humectant, panthenol attracts and retains moisture, helping to hydrate the skin and improve its barrier function. This property makes it particularly effective in treating dry, flaky, or irritated skin conditions. Panthenol also exhibits anti-inflammatory properties, soothing redness and promoting skin healing.
In hair care products, panthenol can penetrate the hair shaft, improving moisture retention and enhancing shine and manageability. Its ability to form a protective film on the skin and hair makes it valuable in leave-on and rinse-off formulations alike.
Panthenol is generally well-tolerated by most skin types and is often used in concentrations ranging from 0.5% to 5%. Its stability in various pH environments and compatibility with other common skincare ingredients make it a versatile choice for formulators. Regular use of panthenol-containing products can contribute to improved skin texture, reduced signs of irritation, and enhanced overall skin health.
Sodium
Hyaluronate
Sodium Hyaluronate is a salt form of hyaluronic acid, a naturally occurring polysaccharide found in the human body. This powerful humectant is widely used in skincare and cosmetic formulations due to its exceptional moisture-binding properties. With a molecular weight lower than hyaluronic acid, sodium hyaluronate penetrates the skin more effectively, delivering hydration to deeper layers of the epidermis.
This ingredient can hold up to 1000 times its weight in water, making it highly efficient in maintaining skin hydration and improving skin elasticity. Sodium hyaluronate helps create a protective barrier on the skin's surface, reducing transepidermal water loss and promoting a plump, youthful appearance. It also aids in wound healing and can help soothe irritated skin.
In skincare formulations, sodium hyaluronate is often combined with other hydrating ingredients to enhance its efficacy. It is suitable for all skin types, including sensitive and acne-prone skin. Regular use of products containing sodium hyaluronate can lead to improved skin texture, reduced appearance of fine lines, and enhanced overall skin health.
Xanthan
Gum
Xanthan gum is a polysaccharide derived from the fermentation of glucose or sucrose by the Xanthomonas campestris bacterium. This versatile ingredient serves as a highly effective thickening agent, stabilizer, and emulsifier in various skincare and cosmetic formulations. Its ability to create a gel-like consistency enhances product texture and improves the suspension of particles in liquids.
In skincare, xanthan gum contributes to the smooth application of products and helps maintain their stability over time. It is particularly useful in water-based formulations, where it prevents separation of ingredients and ensures a uniform distribution of active components. Xanthan gum's hydrating properties can help improve skin moisture retention, making it beneficial in moisturizers and serums.
This ingredient is generally well-tolerated by most skin types and is considered safe for use in cosmetics. It is non-comedogenic and hypoallergenic, making it suitable for sensitive skin formulations. Xanthan gum's natural origin and biodegradability align with the growing demand for eco-friendly cosmetic ingredients. Its compatibility with various active ingredients and preservatives makes it a valuable component in a wide range of skincare products, from lightweight lotions to rich creams.