OILREE ® MY940 is a high-performance solubilizer developed by Yichang Mingya New Materials Technology Co., Ltd. It belongs to the
Hydrogenated castor oil polyoxyethylene ether series and its core component is PEG-40 hydrogenated castor oil. It is designed specifically for the fields of oral care, personal care, and pharmaceutical excipients. As a professional solubilizer that can be used in mouthwash formulations, it has been strictly purified and process optimized, which not only retains the mild characteristics of natural hydrogenated castor oil, but also strengthens the solubility and compatibility. At present, it has been widely used in mouthwash, facial essence, hair care products, external pharmaceutical preparations and other scenarios, gradually replacing traditional ethanol or solvent containing
Solubilizers.
From the perspective of basic properties, MY940 appears as a white paste to light yellow liquid at 25 ℃, with a packaging specification of 60kg/drum. Its core quality indicators are strictly controllable: acid value ≤ 2mgKOH/g, ensuring that the raw materials are odorless and mild, saponification value stable at 50-60mgKOH/g, ensuring stable solubilization efficiency, hydroxyl value 60-75mgKOH/g, improving compatibility with other ingredients, moisture content ≤ 1%, avoiding affecting formula stability, pH value (25 ℃, 1% aqueous solution) in the neutral range of 6.5-7.5, lower irritation to the skin and oral mucosa, dioxane content ≤ 10mg/kg, in line with safety standards, further consolidating the safety of use.
In terms of key application parameters, the recommended ratio of MY940 to solubilized substances is fixed at 3:1, and the recommended dosage in the formula is 0.05% -3.0% (the upper limit of the regulations for resident cosmetics is ≤ 30%, and for rinsing cosmetics it is ≤ 31.01%, and the recommended dosage is used for daily applications). When in use, mix the two thoroughly and dissolve them by adding water and stirring. It is easy to operate and does not require complex processes.
Development History
The core function of increasing solvent is to dissolve insoluble or slightly soluble substances in the solvent, forming a uniform and stable solution. At the initial stage of the development of personal care products, the industry mostly relied on ethanol, propylene glycol and other small molecule solvents as alternative solubilization solutions, but such substances had obvious defects: they were irritant to oral mucosa and sensitive skin, and were easy to volatilize, leading to the decline of product stability - for example, ethanol in the rinse water would cause a burning sensation in the mouth, and propylene glycol in the essence might make sensitive muscles dry and tight.
To address this issue, the industry has begun to ethoxylate hydrogenated castor oil by introducing polyoxyethylene ether chains, developing non-ionic solubilizers that combine the mildness of natural oils with the solubility of surfactants. As early as the 1980s, foreign companies used Peg 40 hydrogenated castor oil in pharmaceutical formulations, but at that time, the product had a weakness of poor cold water dispersibility: the low-temperature dispersion speed was slow, and appropriate stirring or heating was needed to improve dissolution.
Our company has initiated the research and development of an improved PEG 40 hydrogenated castor oil. By optimizing the ethoxylation reaction conditions and adding special dispersing agents, we have finally launched OIL REE ® MY940。 This product breaks through the bottleneck of traditional technology: cold water can be quickly dispersed without gelation or clumping, and the solution after solubilization has high transparency and no blue light phenomenon. Subsequently, the hydrogenated castor oil polyoxyethylene ether series is the only medical solubilizer included in the pharmacopoeia, and the concept of "medicinal grade solubilizers for oral care" is gradually being promoted in the industry. With the development of the personal care industry, its application scope has expanded from pharmaceutical preparations to daily chemical fields such as mouthwash and sensitive skin care products. The solvent increasing raw material system has also expanded from a single Peg 40 hydrogenated castor oil to a series of products with different degrees of ethoxylation. Combining historical origins and application requirements, MY940 has always been positioned as a high-performance pharmaceutical grade solubilizer, balancing safety and functionality.

OILREE ® Characteristics of MY940 raw materials
1. Safe and low stimulation, suitable for sensitive scenarios
MY940 adopts a highly active ingredient formula and does not contain irritating solvents such as ethanol and propylene glycol. According to safety assessment data, its irritation rate to the skin and oral mucosa is low, and it can remain mild even when used for sensitive skin or oral care products. It should be noted that during the production process, due to the slight irritation of raw materials to the skin and eyes, it is recommended to wear chemical resistant gloves and frame type goggles, wash hands promptly after operation, and avoid direct contact.
2. Excellent dispersibility of cold water simplifies the production process
Traditional PEG-40 hydrogenated castor oil needs to be dissolved by heating, while MY940 can be quickly dispersed in cold water and stirred for 30 seconds to form a uniform system. This feature not only simplifies the production process, but also avoids the damage of high temperature to the active ingredients in the formula, while reducing energy consumption costs. For example, when producing transparent mouthwash, mixing MY940 with peppermint oil in a 3:1 ratio and adding it to cold water can form a stable solution without worrying about clumping.
In addition, MY940 may undergo normal physical changes under temperature fluctuations: it may freeze below 25 ℃ and melt above 30 ℃, resulting in a dull or layered appearance, but this will not change the product quality and can be restored after heating and stirring. When developing transparent products, it is necessary to consider the cold resistance of the formula based on this characteristic to ensure that the product maintains a stable appearance in different environments.
3. High solubility and transparency enhance product texture
The solution of MY940 after solubilization has a high transmittance and no blue light phenomenon, which can meet the appearance requirements of transparent products. MY940 can be stored at 25 ℃ for 12 months without turbidity or precipitation, solving the problem of fogging caused by traditional solubilizers and enhancing the visual texture of high-end skincare products.
4. Wide compatibility, compatible with multiple types of formulas
MY940 is compatible with anionic, cationic, non-ionic and amphoteric surfactants, and can be smoothly integrated into a variety of formulation systems such as water-based, water in oil lotion, transparent gel, etc. In mouthwash, it will not interfere with the foaming performance and antibacterial effect of the product, making it suitable for the development of multiple product categories.
Application scenarios
With the characteristics of safety, efficiency, and stability, OILREE ® MY940 has been widely used in oral care, skincare products, hair care products, and other fields, becoming a popular ingredient in the personal care and pharmaceutical industries. Compared with traditional solubilizers, it has significant advantages in safety, solubility, and compatibility. Its core characteristics of "solvent-free, cold water dispersion, and medicinal grade" are highly recognized by brands and formulators, and its market share continues to expand.
Specific application scenarios include:
Oral care industry: It is used for transparent mouthwash, oral spray, children's oral cleaning liquid, solubilized peppermint oil, spearmint oil, chlorhexidine gluconate and other ingredients, which can not only maintain the fresh taste and transparent appearance of the product, but also avoid stimulating the oral mucosa, and adapt to the needs of users of different ages.
Skin care industry: It is suitable for sensitive muscle essence, medical art post repair milk, transparent lotion, solubilized vitamin E, coenzyme Q10, and plant extracts (such as green tea extract) to improve the absorption of active ingredients and product mildness.
Hair care product industry: It is added to silicone free shampoo, conditioner, solubilized panthenol, rosemary essential oil and other hair care ingredients to help the ingredients evenly adhere to the hair, improve the smoothness of the hair, and do not affect the amount of foam and cleaning power of the shampoo, so it can meet the needs of mild care.
Whether it's daily chemical products or pharmaceutical excipients, OILREE ® MY940 can meet the core requirements of different scenarios and promote the quality upgrade of related products through pharmaceutical grade safety standards and high-performance solubilization effects.