While the basic types of these finished products have largely remained the same, many of the chemicals used as fillers, solvents and active ingredients have changed because of recent developments in biochemical processing methods. Despite the maturity of the cosmetic and toiletries market, a dynamic of change in chemical formulation continues to evolve from advances made in specialty chemicals. Chemical producers must constantly accommodate for this greater diversity found in all finished cosmetic and toiletry products. Throughout the ages, people have used cosmetics and toiletries to enhance their personal appeal.
Egyptian tombs reveal men and women with eyelids darkened with black and green pigments.
The women also rouged their lips and cheeks and stained their hair with henna. Europe used cosmetics lavishly. Today, the ancient impulse to improve one's appearance with cosmetics is getting help from modern specialty chemicals and science. This growth has revolutionized the business and enhanced the demand for certain natural chemicals, e.g., alpha hydroxy, hyaluronic and amino acids, and proteins such as collagen. The high growth rate of sales of sunscreen products or cosmetics containing them also continues to effect change.