There's no stopping the clock, but these ingredients are time-tested and science-backed in order to restore a smooth, firm look.

The raw measurement files were processed using MassLynx software (version 4.1; Waters) to perform peak integration, calibration, and quantitation for each polyamine. Laboratory technicians who ...

A study by Zhang et al. now identifies aging-related decline of the polyamine spermidine as a crucial bottleneck for oocyte quality. Supplementation with spermidine rejuvenates oocytes in vitro ...

The replacement of polyamide resins with traditional resins and the increasing popularity of bio-based polyamide resins are playing a key role in increasing demand for polyamide resins. Apart from ...