Nature’ s catalysts for nextgeneration cosmetic ingredients
Katie Liu of Tera explores how enzymes can tailor natural molecules for improved performance in cosmetic formulations
Figure 1 – Producing functional extracts from plants
The cosmetic industry is undergoing a fundamental shift in how ingredients are discovered and manufactured. Today ' s consumers expect more than products that simply deliver visible results— they increasingly seek ingredients that are naturally derived, scientifically validated, sustainably produced and compatible with longterm skin health.
At the same time, manufacturers face growing pressure to improve ingredient performance while reducing environmental impact, simplifying supply chains and moving away from resource-intensive manufacturing processes. For more than a century, industrial chemistry has answered this question through increasingly sophisticated synthetic routes, largescale batch processing and highly optimised systems.
Nature has spent billions of years optimising catalysts. Across plants, microorganisms and animals, enzymes build, modify and break down complex molecules under remarkably mild conditions. These biological processes rely largely on water, renewable feedstocks and precisely organised protein catalysts rather than extreme temperatures, high pressures or highly reactive chemical reagents. The result is a vast collection of enzymes that construct, modify and degrade complex molecules with exceptional precision and efficiency.
This shift is particularly relevant to cosmetics and personal care, where many of the most promising ingredients originate from plants. Rather than viewing botanical materials simply as sources of extracts, enzymes enable them to be used as renewable chemical feedstocks. Plant oils, proteins, carbohydrates, polyphenols and terpenes can be selectively transformed into new classes of emollients, peptides, antioxidants, surfactants and other functional ingredients with properties tailored for modern formulations.
The opportunity is therefore not simply to replace conventional chemistry, but to complement it with nature ' s own manufacturing strategies. By combining renewable plant chemistry with the selectivity of enzymes, manufacturers can begin engineering the next generation of cosmetic ingredients— molecules designed not only to be naturally derived, but also to deliver improved performance, formulation compatibility and sustainability.
Enzymes as a toolkit
Unlike conventional catalysts, which often accelerate reactions by increasing temperature or employing highly reactive chemical species, enzymes achieve remarkable reaction rates through molecular recognition and precise control of substrate orientation.
Many enzymatic reactions approach diffusion-controlled kinetics, with catalytic rate enhancements of 10 6 – 10 17-fold compared with the corresponding uncatalysed reactions. This extraordinary efficiency arises not from brute chemical reactivity, but from the ability of enzymes to stabilise transition states while precisely positioning substrates within highly specialised active sites.
Enzymes routinely display chemoselectivity, regioselectivity and stereoselectivity simultaneously. Chemoselectivity allows one functional group to react while chemically similar groups remain untouched. Regioselectivity determines the exact position on the molecule at which a reaction occurs, while stereoselectivity controls the three-dimensional arrangement of newly formed bonds. For complex natural products containing numerous hydroxyl groups, C = C bonds or chiral centres, these properties frequently eliminate the need for protecting-group strategies that are common in traditional organic synthesis.
The catalytic mechanism itself varies according to enzyme
60 SPECIALITY CHEMICALS MAGAZINE ESTABLISHED 1981