The COSRX Hyaluronic Acid Cream is formulated as a brightening face moisturizer designed to deliver deep hydration throughout the day. It aims to leave the skin feeling refreshed and moisturized.
Key Ingredients and Their Functions
This cream incorporates a variety of ingredients, each chosen for its specific benefits to the skin. Let's explore some of the key components:
Hydration and Moisturization
Several ingredients in the formula are dedicated to enhancing skin hydration and moisture retention:
- Hyaluronic Acid (Sodium Hyaluronate): Often referred to as the salt form of the famous humectant and natural moisturizing factor, hyaluronic acid, it acts as a sponge, helping the skin retain water, which contributes to a plump and elastic appearance. While chemically similar to hyaluronic acid, sodium hyaluronate is often cited as being able to penetrate the skin better due to its smaller molecular size, though both are polymers.
- Glycerin: A fundamental humectant that draws water into the skin, helping to keep it hydrated.
- Butylene Glycol (BG): This multi-tasking ingredient acts as a solvent for other ingredients, enhances product absorption into the skin, improves spreadability (slip agent), and functions as a humectant, attracting water to the skin. It is approved by Ecocert and is frequently used in natural products.
- Sorbitan Oleate: An ester derived from sorbitol and the fatty acids of olive oil, it is part of the emulsifier Olivem 1000. It assists in blending oil and water and is known for forming biomimetic liquid crystal structures that mimic the skin's natural lipid structures, contributing to moisturizing and barrier-repairing properties.
- Macadamia Nut Oil: This oil, originating from Australia, is rich in emollient fatty acids, particularly oleic acid. Its high content of palmitoleic acid gives it a unique "cushiony" feel, making it highly emollient and beneficial for dry skin types.
- Panthenol (Pro-Vitamin B5): A well-known humectant that attracts and retains moisture in the skin. It also possesses anti-inflammatory and skin-protecting abilities, and can help reduce irritation caused by other ingredients.
Emollience and Skin Feel
To ensure a pleasant texture and smooth skin feel, the cream includes emollients:
- Cetearyl Alcohol: A fatty alcohol that acts as an emollient, making the skin feel soft and smooth. It is a mix of cetyl and stearyl alcohol and, despite its chemical classification, does not possess the drying properties of simpler alcohols.
- C13-15 Alkane: Described as a super common emollient, this ingredient, derived from coconut oil and glycerin, is light-textured, clear, odorless, and non-greasy. It contributes to a pleasant skin feel and is well-tolerated by most skin types.
- Cetearyl Olivate: An ester formed from Cetearyl alcohol and the fatty acids of olive oil. It aids in blending oil and water and contributes to the formation of liquid crystal structures similar to the skin's stratum corneum, offering moisturizing and barrier-repairing benefits.
Skin Conditioning and Protection
Beyond basic hydration, other ingredients offer protective and conditioning benefits:
- Sunflower Seed Oil: Known for its emollient properties, it helps to smooth and hydrate the skin. It also aids in protecting the skin's surface and enhancing the barrier function, particularly for damaged or irritated skin. The unrefined version is rich in linoleic acid, beneficial even for acne-prone skin.
- Arginine: A semi-essential amino acid that is a building block for skin collagen. It functions as a natural moisturizing factor, aids in skin hydration, and may promote wound healing. Its positive charge makes it substantive to the skin and hair, acting as an excellent film former.
- Allantoin: A soothing and skin-softening ingredient that can also promote wound healing. It is often found naturally in comfrey plants but is typically synthesized for cosmetic use. It also acts as a thickener and emulsion stabilizer.
Formulation and Stability
Certain ingredients are crucial for the product's texture, stability, and overall performance:
- Carbomer: A polymer of acrylic acid that transforms liquids into gels. It requires neutralization to thicken and creates clear, non-tacky gels with a pleasant skin feel, making it a popular and common ingredient.
- Dimethicone: A widely used silicone that provides a silky smooth feel to the skin, creates a subtle gloss, and forms a protective barrier. It can temporarily fill fine lines and wrinkles, giving the skin a plumper appearance.
- Ethylhexylglycerin: Often found alongside phenoxyethanol, this ingredient can act as a preservative booster and skin conditioning agent.
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Product Information and Purchasing
The COSRX Hyaluronic Acid Cream is available for purchase, with options for one-time buys or auto-replenishment subscriptions offering savings of up to 15%. The product was noted as dispatching from January 1, 1970, and was marked as sold out at the time of this information.
Delivery & Returns: Free delivery is offered on orders over $50. Detailed shipping information is available on a dedicated page. The return policy allows for returns if a customer is not completely satisfied with their item.
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