For sunscreen cosmetics, the core competitiveness of products is never limited to fragrance blending or surface skin feeling optimization. The stability of the formula system is the key to determining the comprehensive quality of a sunscreen.The sun protection index is truly stable, and the texture is always uniform and uniform in high and low temperature environments, so as to truly meet the dual needs of consumers for long-term use and long-term brand operation.
Nowadays, the public's awareness of skin care is constantly upgrading, and high-power protection, waterproof and sweat-resistant, lightweight and breathable, and the availability of sensitive skin have become the mainstream demands for sunscreen purchases.In order to meet market demand, brands continue to superimpose multiple sunscreen components in formula research and development. Chemical sunscreens, physical sunscreens, emollient oils, waterproof film-forming raw materials and moisturizing and soothing ingredients are simultaneously combined, which also makes the overall formula structure of sun protection more complex, and the emulsification pressure and the difficulty of maintaining stability of the system have greatly increased.
Many sunscreen products on the market are prone to common problems such as oil-water separation, powder sinking, cream thinning, rubbing mud, and weakening water resistance during storage, transportation, and daily use.Tracing back to the roots, most of them are caused by insufficient support of the emulsifying system, weak strength of the oil-water interface membrane, poor compatibility between raw materials, and insufficient temperature and weather resistance.In the context of upgrading the industry's formula, potassium cetyl alcohol phosphate relies on its stable molecular structure, excellent interfacial activity, and mild and safe application characteristics to become an irreplaceable core emulsifying stabilizer in sunscreen formulas. It is widely used in sunscreens, sunscreens, isolation sunscreens and other full range of products, effectively solving various formulation problems in mass production and end-use of sunscreens.
Potassium Cetyl Phosphate is an anionic phosphate ester surfactant widely used in the field of daily chemical skin care and makeup. The raw material has high purity and low impurity content. It complies with domestic cosmetic safety technical specifications and is a functional basic raw material with strong compliance.The regular and simple chemical structure is formed by a combination of long-chain saturated fatty alkyl groups with hydrophilic phosphate potassium salt groups, non-irritating branched chains and harmful chemical residues, and the molecular structure is stable.Whether it is high-temperature emulsification production, long-term storage at room temperature, or low-temperature transportation environment in winter, problems such as raw material decomposition, paste denaturation, and low-temperature crystallization will not easily occur.
Judging from the principle of action of the formula, Potassium Cetyl Phosphate relies on a natural amphiphilic structure to play a role. The oleophilic end of the long carbon chain can be closely combined with various emollient oils, sunscreen solvents and film-forming components in the formula, while the hydrophilic group is firmly connected to the overall aqueous phase system, quickly building a complete and balanced emulsified structure.Different from ordinary emulsified raw materials, this ingredient has its own charge regulation ability, its acid-base adaptation range is wide, it fits the weakly acidic environment of human skin, the upper face is gentle and non-irritating, and it will not damage the skin barrier.During the formula debugging process, reasonable matching of
Emulsifier makeup can further improve the fineness and smoothness.
The formula logic of sunscreen products is fundamentally different from that of ordinary moisturizing lotions and creams, and the overall system is under greater load and pressure.In order to achieve the ideal UV blocking effect, a sufficient amount of sunscreen active substances and physical powders need to be added. In order to take into account the skin feeling and outdoor waterproof needs, it is necessary to combine a variety of oils and film-forming additives.A variety of raw materials with different densities, polarities, and compatibility are mixed and coexist, so that the sunscreen emulsifying system is in a state of high pressure for a long time, which can easily breed various quality hazards.
The imbalance of the system under the influence of temperature difference is a common pain point in the sunscreen industry.Warehouses are stacked at high temperature in summer and transported at low temperature across regions in winter. Large temperature fluctuations can easily destroy the conventional emulsifying structure, which directly leads to emulsion stratification and powder precipitation, resulting in product loss.At the same time, the physical sunscreen powder has a large weight and the suspension power of the conventional system is limited. It is easy to settle quickly after long-term standing. The upper layer has a thin texture and insufficient protection. The lower layer of powder is agglomerated and stiff, which affects the application experience and the uniformity of sunscreen.In addition, many sunscreens will undergo rheological changes with the extension of storage time, and the paste will gradually thin, leak or become hard and agglomerated, which will not only affect consumer use, but also increase brand production and rework costs.Traditional emulsifiers are either weak in maintaining stability and cannot support a high-load sunscreen system, or they are too irritating and do not meet the trend of gentle skin care, or the range of oil adaptation is limited, making it difficult to meet diversified sunscreen research and development, and the emergence of Potassium Cetyl Phosphate can be adapted to the sunscreen system.
In the actual formulation, Potassium Cetyl Phosphate mainly plays a role in the four core directions of strengthening the emulsifying strength, enhancing the suspension of the powder, stabilizing the rheology of the system, and optimizing the skin feeling of application, and is suitable for the development of sunscreen products with different positioning.Most of the lightweight sunscreens for daily commuting use refreshing and moisturizing formula ideas, relying on Potassium Cetyl Phosphate to build a stable basic emulsifying network, with lightweight emollient raw materials and moisturizing ingredients, can create a refreshing texture, strong malleability of sunscreen finished products, the face is not oily or stuffy, and the subsequent base makeup is not easy to rub mud, which is suitable for daily protection all year round.
For scenarios with strong waterproof requirements such as seaside play, outdoor operations, and long-term exposure, the sunscreen formula will increase the proportion of high-weather-resistant oils and film-forming additives, and the overall oil phase will account for a higher proportion, and the difficulty of emulsification will be significantly increased.Potassium Cetyl Phosphate can strongly anchor high-content oil-phase components, stably lock in sunscreen active substances and waterproof film-forming system, make sunscreen film-forming more uniform and tight, effectively improve sweat resistance, waterproof, and anti-friction capabilities, and it is not easy to take off the film for long-term outdoor use. Makeup, to ensure long-lasting sunscreen. Online.In the industrial production stage, a complete emulsification system is constructed in combination with
Oil in water emulsifier.
Subdivided products such as infant sunscreen, postoperative repair sunscreen, and special sunscreen for sensitive muscles have extremely strict requirements for the mildness and safety of raw materials. The formula needs to strictly avoid strong irritating surfactants and sensitizing ingredients, and the emulsification fault tolerance rate is lower.Potassium Cetyl Phosphate itself is mild and hypoallergenic, with no excess residual burden, and excellent compounding compatibility. It can stabilize the weakly sensitive formula structure, avoid weak emulsification and easy demulsification after the combination of a variety of mild raw materials, and achieve a two-way balance between safe formula and long-term stability.
Comprehensive comparison of a variety of similar stability-maintaining raw materials, the formula advantages of Potassium Cetyl Phosphate are very prominent.Under the same system stability requirements, its addition volume is more streamlined, a single raw material can replace a variety of auxiliary stability maintenance accessories, effectively streamline the formula list, reduce the types of raw material procurement and storage pressure, reduce manual ingredient errors, effectively improve the pass rate of finished products, and adapt to large, medium and small daily chemical factories for large-scale mass production.At the same time, its compatibility is strong and inclusive, and it can coexist stably with mainstream chemical sunscreens, titanium dioxide, zinc oxide physical powders, plant soothing extracts, and polyol repair ingredients on the market. It will not destroy the active structure of sunscreen and will not lower the sunscreen labeling index.
After a number of professional verifiers such as high and low temperature circulation, centrifugal testing, and long-term sample retention observation, the sunscreen samples of Potassium Cetyl Phosphate have been added. The texture is uniform throughout the process, the color and odor are stable, and there will be no problems such as water precipitation, agglomeration, stratification, and discoloration, which greatly reduces the after-sales quality complaints of brand terminals.The high-quality emulsified network structure can also optimize the texture of sunscreen application. It is silky and easy to push away, and the film is light and obedient, without a heavy mask.In the high-end outdoor waterproof sunscreen formula, a small amount of
Thickening suspension additives are used to synergistically regulate the overall rheology, which can make the texture more moderate and the film-forming speed faster, further enhancing the outdoor scene experience.
With its mature and stable molecular structure, safe and reliable application performance, and cost-effective mass production advantages, Potassium Cetyl Phosphate meets the upgrading needs of the industry and has become the basic raw material in the sunscreen formula architecture.With the continuous expansion of market segments such as outdoor skin care, sports sunscreen, and parent-child sunscreen, the market demand for high-quality sunscreen products has steadily increased.In the future, this high-quality emulsifying stabilizer will continue to build a solid foundation for the quality of sunscreen products with solid formula strength.
Hubei Mingya New Material Technology Co., Ltd.
