How it's Made : Powder Detergent Soap

Powder detergent is manufactured in large factories using three main processes: spray drying, agglomeration, or dry mixing. The most common industrial method uses a tall spray-drying tower to transform a liquid mixture of surfactants, builders, and fillers into hollow, uniform cleaning granules.
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Essential Raw Materials for commercial purpose

Soda Ash Light: Acts as the primary dry base and alkaline builder.

Sulfonic Acid (LABSA): The active surfactant and main foaming/cleaning agent.

Sodium Sulfate: A cost-effective filler that bulks up the product weight.

STPP (Sodium Tripolyphosphate): Softens hard water and boosts cleaning power.

SLS (Sodium Lauryl Sulfate) Powder: Enhances foam generation.

Additives: Optional color speckles, optical brighteners, and liquid fragrance.

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Key Ingredients

Surfactants (e.g., LAS): Active cleaning agents that lift oil and dirt.

Builders (e.g., Soda Ash, STPP): Soften hard water and maintain alkalinity.

Fillers (e.g., Sodium Sulfate): Provide bulk volume and keep the powder free-flowing.

Additives: Enzymes, optical brighteners, and fragrances for performance and scent.

Home made formula
Basic ratio is mixing of Soda ash , SLS and Borax in ratio 2:1:2  and also adding your favourite fragrant
▶ Watch the video of home made formula

"SLS powder" most commonly refers to Sodium Lauryl Sulfate, a chemical foaming agent
SLS powder (Sodium Lauryl Sulfate) is a powerful surfactant, foaming agent, and emulsifier used to remove oil and dirt, create a rich lather, and mix ingredients. It is widely used in personal care items like shampoo and toothpaste, household detergents, and industrial cleaners. 

Sodium Lauryl Sulfate (Chemical & Cosmetic)

What it is: A powerful soap and cleaning chemical made from coconut or palm oil.

Where it is used: Shampoos, toothpaste, body washes, and house cleaners.

What it does: Breaks down oil and creates a thick, foamy lather.

Safety note: Can dry out or irritate sensitive skin and eyes

Soda Ash

Soda ash is the common name for sodium carbonate (Na₂CO₃), a white, odorless, water-soluble salt. It yields a basic, alkaline solution in water and is widely used in glass manufacturing, commercial cleaning products, water treatment, swimming pool pH adjustment, tie-dyeing fabrics, and food preparation.
Common Uses

Glass Making: Acts as a flux to lower the melting point of silica.

Cleaning and Laundry: Serves as a water softener and heavy-duty grease cutter (often called washing soda).

Tie-Dyeing: Pre-soaking fabrics in a soda ash solution changes the fiber pH, allowing fiber-reactive dyes to permanently bond.

Borax,
Borax, also known as sodium tetraborate or sodium borate, is a natural mineral powder made of sodium, boron, and oxygen. It dissolves easily in water and is widely used as a household cleaner, laundry booster, and craft ingredient for making slime
Common Uses

Cleaning: Removes stains, grease, and mold from household surfaces.

Laundry: Softens hard water and helps soap clean clothes better.

Slurry Preparation: Raw liquid and dry ingredients are blended together in large tanks to form a thick, smooth liquid paste called a slurry. 

Atomization: Pumps force the slurry to the top of a tall spray-drying tower, spraying it down through tiny nozzles into fine droplets. 

Hot Air Drying: Hot air blown into the tower rapidly evaporates moisture from the falling droplets, turning them into hollow, soluble powder granules. 

Post-Dosing and Packaging: Heat-sensitive ingredients like fragrances and enzymes are blended in, and the final powder is packaged into boxes or bags. 

Equipment Upgrades: While small batches can be hand-mixed, scaling up requires a cage mill for crushing lumps, a ribbon blender or ploughshare mixer for uniform blending, and a semi-automatic weighing and sealing machine. 

Quality Control: Test your powder in local water conditions to ensure it dissolves cleanly, foams adequately, and doesn't cake up in humidity. 

Compliance: Check local regulations for safety data sheets (SDS), business registration, and environmental or trade permits required for chemical handling