化学工业应用

Sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES) are the most widely used synthetic surfactants in personal care products. …

Oxidative permanent hair dye works by an in-situ polymerization reaction inside the hair cortex. Small precursor molecules (p-phenylenediamine and couplers) …

Essential oils for perfumery are extracted from plant materials primarily by steam distillation, a technique refined since the medieval Islamic …

Sodium fluoride (NaF) and sodium monofluorophosphate (MFP, Na₂PO₃F) are the primary fluoride sources in toothpaste, providing the fluoride ions that …

Soap is produced by saponification — the alkaline hydrolysis of triglycerides (fats and oils) with sodium hydroxide (for bar soap) …

Hyaluronic acid (HA) is a naturally occurring glycosaminoglycan polymer produced industrially by Streptococcus zooepidemicus fermentation, replacing the original extraction from …

Retinol (vitamin A alcohol) is synthesized industrially through a multi-step process and is the most scientifically validated anti-aging ingredient in …

Sunscreen UV filters protect skin from ultraviolet radiation that causes sunburn, premature aging, and skin cancer. Two categories exist: organic …