Collaborative research by different departments of the Louisiana University has proven that skin care products that have the lowest levels of synthetic ingredients are best for your skin's appearance in the long-term. The study was a mix of dermatological research and social science, conducted over a period of 5 years and with a sample group of over 6000 participants.

The study aimed to determine which type of skin care products made people look more beautiful not only in the short term (1-10 weeks) but also the long term (1-5 years). A whole host of products were tested, including high street brands, those from small organic companies, health spa products, high end luxury products and even supermarket own-brands.Without being told what the product was, a group of people tested each one for 5 years.They each had to meet up to have their photo taken every 7 days, which were later assessed by a group of impartial people.

There were some interesting findings from the study.The first finding showed that products at the top end of the scale in terms of cost, also had the greatest short-term benefits on looks, i.e. after the participant had used the products on their skin for between 1 and 10 weeks.Secondly, those participants who had been given skin care products to use that had the lowest levels of synthetic ingredients, actually came out top on the improved attractiveness rating, when judged over the long term, i.e. between 1 and 5 years.

Those who conducted the research have suggested that the synthetic products that cause things like skin plumping, tanning and tightening might make people look better in the short term but they take their toll on the skin, which would benefit more from being exposed to all-natural products

Their advice is to always check the labels when you buy skin care products and make sure you know that the products used are high quality and natural when you go for any spa treatment .