04/06/2026
- *Nitrosol*: Thickener. Gives liquid soap that thick, gel-like consistency so it doesn’t run like water. Also stabilizes the mix.
- *Texapon / SLS (Sodium Lauryl Sulfate)*: Primary surfactant. This is the main cleaning agent that creates rich foam and lifts dirt/oil off skin.
- *Sulphonic Acid*: Main active detergent. When neutralized with caustic soda, it becomes the key cleaning salt. Gives strong grease-cutting power. _Highly corrosive — handle with extreme care_.
- *Caustic Soda (Sodium Hydroxide)*: Used to neutralize sulphonic acid. The reaction turns the acid into sodium salt, which is the actual soap base. _Very corrosive — causes burns on contact_.
- *Soda Ash (Sodium Carbonate)*: pH booster & builder. Helps stabilize pH, softens hard water, and improves cleaning power.
- *SLS Rice*: Likely means *SLS + Rice Powder*. SLS is another surfactant/foaming agent. Rice powder is sometimes added as a natural mild exfoliant or thickener.
- *Color*: Cosmetic dye. Just for visual appeal — makes the soap look professional. Use soap-safe colorants only.
- *Perfume*: Fragrance. Gives the soap its scent. Use cosmetic-grade fragrance oils so they don’t irritate skin.
*Key safety tip*
*Sulphonic Acid + Caustic Soda* is the most dangerous step. They react strongly and release heat. Always add acid to water, then slowly add caustic soda solution — never the reverse. Wear gloves, goggles, and work ventilated.
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