Does it remove stains?<\/td> Can break down oxidizable stains<\/td> No, it improves visual whiteness<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nChlorine Bleach<\/h3>\n\n\n\n Sodium hypochlorite is a strong oxidizing agent. It can provide effective bleaching but is sensitive to factors such as light, heat, heavy-metal contamination, and pH.<\/p>\n\n\n\n
Its high oxidation strength also creates compatibility concerns. Fragrance, dye, surfactant, polymer, packaging, and the material being cleaned all require evaluation before sodium hypochlorite is used in a finished product.<\/p>\n\n\n\n
Oxygen Bleach<\/h3>\n\n\n\n Sodium percarbonate and sodium perborate are oxygen-based bleaching agents commonly associated with powder detergents. Traditional powder formulations may contain relatively high levels, sometimes within a broad 10%-30% reference range.<\/p>\n\n\n\n
This range should not be transferred directly to every formula. The required amount depends on active oxygen content, washing temperature, storage conditions, target stain, package moisture barrier, and the rest of the detergent system.<\/p>\n\n\n\n
Fluorescent Whitening Agents<\/h3>\n\n\n\n Fluorescent whitening agents absorb ultraviolet light and emit visible blue or blue-violet light. This optical effect can counteract a yellow appearance and make white fabrics look brighter.<\/p>\n\n\n\n
They do not replace surfactants, builders, or bleaching agents because they do not remove soil. Their success depends on fiber affinity, dispersion, solubility, uniform deposition, and stability in the presence of other ingredients.<\/p>\n\n\n\n
Enzymes Target Specific Stain Components<\/h2>\n\n\n\n Some stains contain proteins, fats, or starches that are difficult to remove using surfactants alone. Enzymes act as biological catalysts and break these materials into smaller, more water-compatible compounds.<\/p>\n\n\n\n
An effective detergent enzyme system should retain useful activity under the intended washing conditions. Important requirements include:<\/p>\n\n\n\n
\nActivity across a practical washing temperature range, commonly considered between approximately 10\u00b0C and 60\u00b0C.<\/li>\n\n\n\n Effective performance in the alkaline environment of the detergent.<\/li>\n\n\n\n Compatibility with other enzymes and formulation ingredients.<\/li>\n\n\n\n Tolerance to surfactants, particularly anionic surfactants.<\/li>\n\n\n\n Sufficient stability during product storage and use.<\/li>\n<\/ol>\n\n\n\nA high initial enzyme activity does not guarantee a successful detergent. Activity can decline during storage if the enzyme is exposed to an unsuitable pH, water level, surfactant system, oxidizing agent, or temperature.<\/p>\n\n\n\n
The enzyme package should match the expected soil. A formula targeting food starch, for example, has different requirements from one developed for fatty or protein-based stains.<\/p>\n\n\n\n
Fillers, Hydrotropes, and Solubilizers Control Product Form<\/h2>\n\n\n\nSodium Sulfate in Powder Detergent<\/h3>\n\n\n\n Sodium sulfate is commonly used as a filler in detergent powders. Traditional powder formulations may contain approximately 20%-40%, depending on product concentration and manufacturing requirements.<\/p>\n\n\n\n
Calling it a filler does not mean it has no formulation effect. Sodium sulfate can influence powder flow, hygroscopicity, composition balance, surfactant behavior, dispersion stability, and product cost.<\/p>\n\n\n\n
It may also lower the critical micelle concentration of a surfactant system. In this sentence, CMC means critical micelle concentration, not carboxymethyl cellulose.<\/p>\n\n\n\n
Too much filler reduces the proportion of active ingredients. Too little may create processing, flow, or cost problems. The suitable amount depends on whether the detergent is conventional, concentrated, compact, or designed for a specific dosing system.<\/p>\n\n\n\n
Hydrotropes in Liquid Detergent<\/h3>\n\n\n\n Concentrated liquid detergents can contain more active material than the water phase can easily accommodate. Cloudiness, separation, crystallization, or incomplete dissolution may appear when surfactants, perfume, solvents, and salts compete within the same formula.<\/p>\n\n\n\n
Hydrotropes and solubilizers help improve ingredient distribution and product clarity. Examples include ethanol, urea, polyethylene glycol, and toluenesulfonate salts.<\/p>\n\n\n\n
These ingredients should support solubility without significantly reducing cleaning performance. Their concentration must also be balanced against viscosity, odor, flash point, packaging compatibility, and cost.<\/p>\n\n\n\n
Sodium p-toluenesulfonate may additionally help control caking in selected detergent systems.<\/p>\n\n\n\n
Softeners, Antistatic Agents, Bacteriostatic Agents, and Solvents<\/h2>\n\n\n\n Synthetic fibers can develop static electricity and an undesirable hand feel after washing. Cationic or amphoteric surfactants may be introduced to provide antistatic and softening effects.<\/p>\n\n\n\n
These materials must be integrated carefully because the formula already contains other charged ingredients. Compatibility should be checked through storage testing, dilution testing, fabric evaluation, and observation for precipitation or loss of performance.<\/p>\n\n\n\n
Cold-water washing can create additional odor and hygiene concerns. Selected detergents therefore include a bacteriostatic system. The active ingredient and dosage should be chosen for the intended application and destination market, supported by safety assessment and verified product performance.<\/p>\n\n\n\n
Solvents are particularly relevant in liquid and nonaqueous detergents. They can assist with oily stains, improve the distribution of ingredients, and help the formula wet the surface. Alcohols, ethers, esters, pine oil, and specialized solvents are examples of the broader solvent categories used in cleaning products.<\/p>\n\n\n\n
Solvent selection affects far more than detergency. Odor, volatility, material compatibility, storage stability, worker handling, and packaging must all be considered.<\/p>\n\n\n\n
Powder and Liquid Detergents Need Different Ingredient Structures<\/h2>\n\n\n\nFormulation area<\/th> Powder detergent<\/th> Liquid detergent<\/th><\/tr><\/thead> Surfactant system<\/td> Anionic and nonionic combinations are common<\/td> Anionic, nonionic, and amphoteric blends can be used<\/td><\/tr> Hard-water control<\/td> STPP, zeolite, carbonate, silicate, and polymers<\/td> Soluble chelators and compatible polymers<\/td><\/tr> Bleaching<\/td> Oxygen bleach is easier to incorporate<\/td> Bleach compatibility can be more difficult<\/td><\/tr> Product structure<\/td> Filler, anti-caking control, powder flow<\/td> Rheology modifier, hydrotrope, and solvent balance<\/td><\/tr> Enzyme challenge<\/td> Moisture and storage stability<\/td> Water exposure and surfactant compatibility<\/td><\/tr> Main physical risk<\/td> Caking, poor flow, segregation<\/td> Separation, cloudiness, viscosity drift<\/td><\/tr> Cellulose polymer role<\/td> Anti-redeposition and powder support<\/td> Anti-redeposition, suspension, and viscosity control<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nA powder detergent has to remain dry, free-flowing, and compositionally uniform. A liquid detergent must remain pourable, homogeneous, and stable despite containing water, surfactants, salts, perfume, and other functional materials.<\/p>\n\n\n\n
The same ingredient can behave differently in these two formats. A polymer that disperses easily in a powder premix may form lumps when added directly to a concentrated liquid. A builder that performs well in a powder may have insufficient solubility for a clear liquid detergent.<\/p>\n\n\n\nHow the Ingredients Work Together During Washing<\/h2>\n\n\n\n At the beginning of the wash cycle, the surfactant system lowers interfacial tension and wets the fabric. Oily soil becomes emulsified, while particulate dirt is loosened from the surface.<\/p>\n\n\n\n
Builders and chelating agents control hardness ions so that the surfactants can continue working. Alkalinity supports the removal of selected soils, while enzymes begin breaking down protein, fat, or starch components.<\/p>\n\n\n\n
Once the soil leaves the fabric, dispersants and anti-redeposition polymers help keep it suspended. This stage is essential because detached dirt can otherwise settle back onto the fibers.<\/p>\n\n\n\n
Bleaching agents act on oxidizable stains where the formula and washing conditions permit. Fluorescent whitening agents can improve the final visual whiteness, while softening or antistatic components influence the feel of the textile after rinsing and drying.<\/p>\n\n\n\n
The performance perceived by the user is therefore the result of several consecutive processes. Weakness in one stage can reduce the value of the entire detergent.<\/p>\n\n\n\n
How to Build a Practical Detergent Formulation Brief<\/h2>\n\n\n\n Before selecting raw materials, the formulator should define the product clearly.<\/p>\n\n\n\n
1. Choose the Product Form<\/h3>\n\n\n\n Decide whether the detergent will be a powder, standard liquid, concentrated liquid, nonaqueous liquid, or another format. This decision affects almost every later ingredient choice.<\/p>\n\n\n\n
2. Define the Target Soil<\/h3>\n\n\n\n A household laundry detergent, industrial degreaser, cold-water wash product, and fabric-care liquid do not require the same surfactant or enzyme package.<\/p>\n\n\n\n
3. Establish the Water Conditions<\/h3>\n\n\n\n Hard-water performance should be considered at the beginning rather than corrected after the surfactant system has already been fixed. Builder and chelator selection can change detergency, clarity, residue, and cost.<\/p>\n\n\n\n
4. Select the Supporting Polymers<\/h3>\n\n\n\n Choose anti-redeposition and rheology-control materials according to the fabric, product format, surfactant concentration, and desired flow. In liquid products, compare several viscosity grades rather than assuming that the highest-viscosity polymer will produce the best result.<\/p>\n\n\n\n
5. Add Optional Performance Modules<\/h3>\n\n\n\n Bleach, fluorescent whitening agents, enzymes, softeners, antistatic agents, bacteriostatic systems, and solvents should be added only when they support the intended product claim.<\/p>\n\n\n\n
6. Test the Complete Formula<\/h3>\n\n\n\nTest area<\/th> What to evaluate<\/th><\/tr><\/thead> Cleaning performance<\/td> Removal of representative oil, protein, starch, and particulate soil<\/td><\/tr> Hard-water behavior<\/td> Detergency, precipitation, residue, and clarity<\/td><\/tr> Anti-redeposition<\/td> Whiteness retention and greying after repeated washing<\/td><\/tr> Viscosity<\/td> Initial viscosity, storage change, pourability, and dilution behavior<\/td><\/tr> Foam<\/td> Foam generation, persistence, rinse behavior, and machine suitability<\/td><\/tr> Physical stability<\/td> Separation, sedimentation, caking, crystallization, and color change<\/td><\/tr> Ingredient stability<\/td> Enzyme activity, bleach stability, fragrance, and polymer compatibility<\/td><\/tr> Material compatibility<\/td> Fabric, metal, packaging, and equipment contact<\/td><\/tr> Temperature stability<\/td> Low-temperature and elevated-temperature storage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nA formulation that looks stable immediately after mixing may still fail after temperature cycling or extended storage. Performance testing and stability testing should therefore proceed together.<\/p>\n\n\n\n
Common Mistakes When Selecting Detergent Ingredients<\/h2>\n\n\n\n One frequent mistake is using foam height as the main measure of cleaning. Foam can influence user perception, but grease removal, soil suspension, rinsing, and hard-water tolerance provide a more complete picture.<\/p>\n\n\n\n
Another error is expecting one ingredient to solve unrelated problems. Adding more surfactant will not automatically prevent soil redeposition. Increasing polymer viscosity cannot replace a suitable builder. More bleach does not correct an unstable enzyme system.<\/p>\n\n\n\n
Traditional reference percentages should also be treated carefully. A sodium sulfate, STPP, bleach, or CMC-Na level used in one powder detergent may be unsuitable for a concentrated liquid or a different washing process.<\/p>\n\n\n\n
Confusing carboxymethyl cellulose with critical micelle concentration can create technical misunderstandings. The first is a polymeric detergent auxiliary; the second is a surfactant property.<\/p>\n\n\n\n
Finally, selecting a cellulose ether only from its nominal viscosity overlooks the rest of the formula. Salt, surfactant, pH, solvent, temperature, and hydration procedure can change the viscosity observed in the finished product.<\/p>\n\n\n\n
Frequently Asked Questions<\/h2>\n\n\n\nWhat Is the Main Ingredient in Detergent?<\/h3>\n\n\n\n Surfactants are the primary cleaning ingredients. Water, builders, fillers, or solvents may occupy a large part of the formula by weight, but surfactants provide the central wetting, emulsifying, and soil-removal action.<\/p>\n\n\n\n
Why Does Detergent Need More Than One Surfactant?<\/h3>\n\n\n\n Different surfactants have different strengths. A compatible blend can combine strong detergency, grease removal, hard-water tolerance, foam control, and improved product feel.<\/p>\n\n\n\n
What Is the Function of CMC in Detergent?<\/h3>\n\n\n\n CMC-Na helps prevent removed soil from redepositing on fabrics. It can also contribute to thickening, dispersion, suspension, and foam stability.<\/p>\n\n\n\n
Is CMC in Detergent the Same as Critical Micelle Concentration?<\/h3>\n\n\n\n No. CMC-Na is sodium carboxymethyl cellulose. Critical micelle concentration is the surfactant concentration at which micelles begin to form.<\/p>\n\n\n\n
Why Are Builders Added to Laundry Detergent?<\/h3>\n\n\n\n Builders control calcium and magnesium ions, support alkalinity, improve surfactant efficiency, and help manage soil dispersion. They are particularly important in hard water.<\/p>\n\n\n\n
Are Phosphates Necessary in Detergent?<\/h3>\n\n\n\n Phosphates such as STPP are effective builders, but they are not the only option. Citrate, gluconate, polyacrylates, chelating agents, and zeolite can be used in low-phosphate or phosphate-free systems.<\/p>\n\n\n\n
What Is the Difference Between Bleach and Optical Brightener?<\/h3>\n\n\n\n Bleach chemically oxidizes colored stains. An optical brightener absorbs ultraviolet light and emits visible blue light, making fabric appear whiter without directly removing soil.<\/p>\n\n\n\n
Why Are Enzymes Added to Detergent?<\/h3>\n\n\n\n Enzymes help break down difficult protein, fat, and starch stains into smaller compounds that can be removed more easily during washing.<\/p>\n\n\n\n
What Does Sodium Sulfate Do in Detergent Powder?<\/h3>\n\n\n\n Sodium sulfate acts as a filler and processing aid. It can influence powder flow, composition balance, surfactant behavior, dispersion, and product cost.<\/p>\n\n\n\n
Which Zhiwei HEC Grade Can Be Used in Liquid Detergent?<\/h3>\n\n\n\n The selection depends on the target viscosity and the complete formulation. At Zhiwei, we can screen HEC 300, HEC 2K, HEC 6K, HEC 15K, and HEC 30K as starting options. Final selection requires testing with the actual surfactant, salt, pH, perfume, and solvent system.<\/p>\n\n\n\nConclusion<\/h2>\n\n\n\n The main detergent ingredients are surfactants and detergent auxiliaries. Surfactants perform the central cleaning work, while builders, polymers, pH regulators, bleaching agents, optical brighteners, enzymes, fillers, solvents, and fabric-care additives make that cleaning process more reliable.<\/p>\n\n\n\n
A successful formulation does not contain every available ingredient. It contains the right combination for the intended product form, washing conditions, target soil, and performance requirements.<\/p>\n\n\n\n
At Zhiwei (Jinan) New Materials Co., Ltd.<\/a>, we support detergent manufacturers with cellulose ether selection for liquid-product viscosity and physical stability. By screening suitable HEC grades in the complete formula, we can help identify a practical balance between pourability, suspension, appearance, processing, and storage performance.<\/p>\n\n\n\n<\/p>","protected":false},"excerpt":{"rendered":"
Detergent is not a single cleaning chemical. It is a coordinated formulation in which surfactants remove soil while builders, polymers, enzymes, bleaching agents, pH regulators, solvents, and other additives support the cleaning process. The main detergent ingredients can be divided into two broad groups: A detergent may still produce foam when some of these supporting […]<\/p>\n","protected":false},"author":2,"featured_media":2904,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[213],"tags":[220,219,217,214,222,215,216,218],"class_list":["post-2898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-detergent","tag-cmc-in-detergent","tag-detergent-additives","tag-detergent-builders","tag-detergent-ingredients","tag-laundry-detergent-formulation","tag-main-components-of-detergent","tag-surfactants-in-detergent","tag-what-is-detergent-made-of"],"acf":[],"_links":{"self":[{"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/posts\/2898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/comments?post=2898"}],"version-history":[{"count":2,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/posts\/2898\/revisions"}],"predecessor-version":[{"id":2908,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/posts\/2898\/revisions\/2908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/media\/2904"}],"wp:attachment":[{"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/media?parent=2898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/categories?post=2898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhiweichem.com\/en_gb\/wp-json\/wp\/v2\/tags?post=2898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"Main](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/Main-Components-of-a-Detergent-Formula-1024x576.webp\")
![\"Surfactant](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/How-Surfactants-Remove-Oily-Soil-1024x576.webp\")
![\"Comparison](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/Anionic-Nonionic-and-Amphoteric-Surfactants-1024x576.webp\")
![\"Detergent](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/How-Builders-Control-Hard-Water-1024x576.webp\")
![\"CMC-Na](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/CMC-Preventing-Soil-Redeposition-1024x576.webp\")
![\"Difference](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/Bleaching-Agent-Versus-Optical-Brightener-1024x576.webp\")
![\"Comparison](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/Powder-Detergent-and-Liquid-Detergent-Formulation-1024x576.webp\")
![\"Zhiwei](\"https:\/\/zhiweichem.com\/wp-content\/uploads\/2026\/08\/Zhiwei-HEC-Viscosity-Screening-for-Liquid-Detergent-1024x576.webp\")