Round Lab 1025 Dokdo Toner (50 ml) | Korean Skin Care

1,2-Hexanediol is a multifunctional ingredient widely used in skincare and cosmetic formulations. This colorless, low-viscosity liquid belongs to the aliphatic alcohol family and serves as a versatile humectant, preservative enhancer, and solvent. Its molecular structure allows it to attract and retain moisture, contributing to improved hydration in skincare products.

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 property makes it particularly valuable in formulating gentle, yet microbiologically stable products.

In addition to its preservative-enhancing capabilities, 1,2-Hexanediol functions as an effective solvent, aiding in the dissolution and dispersion of active ingredients and fragrances. This characteristic improves the overall stability and sensory properties of cosmetic formulations.

The ingredient also exhibits emollient properties, contributing to a smooth and pleasant skin feel. Its low molecular weight allows for easy penetration into the stratum corneum, potentially enhancing the delivery of other active ingredients.

While generally well-tolerated, as with any skincare ingredient, patch testing is recommended for individuals with sensitive skin or a history of allergic reactions.

Allantoin is a versatile and well-tolerated skincare ingredient derived from comfrey root or synthesized in laboratories. This multifaceted compound is known for its keratolytic, moisturizing, and soothing properties, making it a valuable addition to various skincare formulations. Allantoin promotes cell proliferation and epithelialization, which accelerates wound healing and skin regeneration. Its gentle exfoliating action helps remove dead skin cells, improving skin texture and appearance.

The ingredient's moisturizing capabilities stem from its ability to increase water content in the extracellular matrix, enhancing skin hydration and elasticity. Allantoin also exhibits anti-inflammatory properties, helping to calm irritated skin and reduce redness. Its low molecular weight allows for easy penetration into the skin, ensuring efficient delivery of its benefits.

Allantoin is commonly used in concentrations ranging from 0.1% to 2% in skincare products. It is particularly beneficial in formulations targeting sensitive, dry, or compromised skin. The ingredient's compatibility with most other skincare actives and its stability across a wide pH range make it a versatile choice for formulators. Allantoin is found in various products, including moisturizers, serums, lotions, and post-procedure skincare treatments.

Betaine, also known as trimethylglycine, is a naturally occurring compound found in various plants and animals. This versatile ingredient has gained significant attention in skincare formulations due to its multifaceted benefits. As a powerful humectant, betaine attracts and retains moisture in the skin, helping to maintain hydration levels and improve overall skin texture.

One of betaine's key attributes is its ability to function as an osmolyte, regulating cellular water balance and protecting against environmental stressors. This property makes it particularly effective in strengthening the skin barrier and enhancing its resilience. Additionally, betaine exhibits anti-inflammatory properties, which can help soothe irritated skin and reduce redness.

In skincare products, betaine is often used in concentrations ranging from 1% to 5%. It is compatible with a wide range of other ingredients and can be incorporated into various formulations, including serums, moisturizers, and cleansers. Betaine's gentle nature makes it suitable for all skin types, including sensitive skin. Its stability across different pH levels and temperatures further enhances its versatility in product formulation.

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.

Chondrus crispus extract, derived from a species of red algae commonly known as Irish moss, is a versatile ingredient in skincare formulations. This marine-based extract is rich in polysaccharides, particularly carrageenan, which contributes to its hydrating and film-forming properties. The extract's composition includes vitamins, minerals, and amino acids that provide potential benefits for skin health and appearance.

In skincare products, Chondrus crispus extract functions primarily as a natural thickening agent and emulsifier, helping to stabilize formulations and improve texture. Its hydrating properties make it effective in moisturizers and serums, where it can help to increase skin hydration and reduce transepidermal water loss. The extract also exhibits antioxidant activity, which may help protect the skin from environmental stressors and free radical damage.

Studies suggest that Chondrus crispus extract may have anti-inflammatory properties, potentially benefiting sensitive or irritated skin. Its film-forming ability can create a protective barrier on the skin's surface, which may aid in retaining moisture and defending against external aggressors. While generally well-tolerated, as with any skincare ingredient, patch testing is recommended to ensure individual compatibility.

Disodium EDTA (Ethylenediaminetetraacetic acid) is a versatile chelating agent widely used in skincare and cosmetic formulations. This synthetic compound effectively binds to metal ions, preventing them from interfering with product stability and performance. In skincare, Disodium EDTA serves multiple purposes, primarily as a preservative enhancer and antioxidant.

The ingredient's ability to sequester metal ions helps maintain product integrity by inhibiting the growth of microorganisms and preventing oxidation of sensitive components. This action extends the shelf life of formulations and ensures consistent efficacy throughout use. Disodium EDTA is particularly beneficial in water-based products, where it can neutralize hard water minerals that may compromise the effectiveness of other ingredients.

In addition to its preservative properties, Disodium EDTA can improve the texture and feel of skincare products. It aids in creating smoother, more stable emulsions and can enhance the foaming capabilities of cleansers. The ingredient is generally well-tolerated by most skin types and is used in concentrations ranging from 0.05% to 0.15% in leave-on products. While Disodium EDTA is not considered an active ingredient for skin benefits, its role in maintaining product quality indirectly contributes to overall skincare efficacy.

Ethylhexylglycerin is a multifunctional synthetic ingredient widely used in cosmetic and personal care products. This clear, colorless liquid acts primarily as a preservative enhancer, working synergistically with other preservatives to improve their efficacy and extend product shelf life. Derived from glycerin, ethylhexylglycerin exhibits gentle antimicrobial properties, helping to inhibit the growth of bacteria and fungi in formulations.

Beyond its preservative-boosting capabilities, ethylhexylglycerin serves as an effective emollient and skin conditioning agent. It helps improve the texture and spreadability of products while providing a smooth, non-greasy feel on the skin. This ingredient also functions as a deodorant agent, helping to reduce body odor by inhibiting the growth of odor-causing bacteria.

Ethylhexylglycerin is generally well-tolerated by most skin types and is considered safe for use in concentrations typically found in cosmetic products. Its versatility makes it a valuable ingredient in a wide range of formulations, including moisturizers, sunscreens, makeup, and hair care products. While some individuals may experience mild irritation, adverse reactions to ethylhexylglycerin are rare, contributing to its popularity in the cosmetics industry.

Glycerin, also known as glycerol, is a versatile and widely used humectant in skincare formulations. This colorless, odorless, viscous liquid is derived from both natural and synthetic sources, including vegetable oils and petrochemicals. As a hygroscopic substance, glycerin attracts and retains moisture, making it highly effective in hydrating and moisturizing the skin.

In skincare products, glycerin typically comprises 0.5% to 5% of the formulation. It functions by drawing water from the environment and deeper skin layers to the surface, enhancing skin hydration and improving barrier function. This moisture-binding property helps to reduce transepidermal water loss, leading to smoother, more supple skin.

Glycerin's low molecular weight allows it to penetrate the stratum corneum, providing hydration to deeper skin layers. It also exhibits emollient properties, helping to soften and smooth the skin's surface. Additionally, glycerin has been shown to enhance the penetration of other active ingredients in skincare formulations.

While generally well-tolerated, high concentrations of glycerin can potentially cause a tacky feel on the skin or draw out too much moisture in low-humidity environments. Therefore, it is often combined with other moisturizing agents for optimal efficacy and skin feel.

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.

Pentylene Glycol is a versatile synthetic ingredient widely used in skincare and cosmetic formulations. This clear, colorless liquid acts as a multifunctional component, serving as a humectant, solvent, and preservative enhancer. Its molecular structure allows it to attract and retain moisture, helping to keep the skin hydrated and improving product texture.

As a humectant, Pentylene Glycol draws water from the environment and deeper skin layers to the surface, promoting a plump and moisturized appearance. Its solvent properties aid in dissolving and dispersing other ingredients, enhancing product stability and efficacy. Additionally, it exhibits mild antimicrobial activity, contributing to product preservation and extending shelf life.

Pentylene Glycol is generally well-tolerated by most skin types and is often used in concentrations ranging from 1% to 5%. It can be found in various skincare products, including moisturizers, serums, and toners. While it shares some similarities with other glycols, such as Propylene Glycol, Pentylene Glycol is often preferred for its lower potential for irritation and its ability to penetrate the skin barrier effectively, potentially enhancing the delivery of other active ingredients.