For many women the impetus for coming off the pill is often the desire to return to a natural menstrual cycle, to reduce unwanted side effects associated with the pill or to kick-start the baby-making process.

The skin is directly exposed to many environmental factors and therefore provides an attractive mechanism for studying environmentally induced epigenetic factors associated with human ageing.

Essential oils are completely natural compounds, derived from plant material, such as leaves, stems, flowers, bark and roots and the volatile components are extracted by steam distillation or mechanical expression.