As more is learned about the process of cell ageing, so this knowledge can be applied to products designed to minimise the consequences.
Whilst we may not be able literally to turn the clock back (yet), we can minimise the impact of normal cellular ageing and to 'make the best of what you have'. The importance of slowing the signs of ageing is great - think back to the days when we did not know about the damage from UV rays, and now we can prevent this by taking care not to extend our time in the sun and by using appropriate sun protection products. Free radicals are another area of recent progress, anti-oxidants are beneficial here too, AHAs have been in use for many years in skincare products. The skill of the cosmetic company is in getting the science to work in a consumer-friendly product rather than in theory and making sure the claims made for the product can be supported and are clearly explained for the user