Dermalogica Age Smart Phyto-Nature Firming Serum The Dermalogica Age Smart Phyto-Nature Firming Serum ($145) comes with both instant gratification and long-term benefits. It immediately firms skin using green coffee bean and reduces signs of ageing thanks to rockrose extract (which neutralises collagen-damageing free radicals). Image Source: sephora.com Dermalogica Age Smart Phyto-Nature Firming Serum $145 from sephora.com Buy Now