Cult51 are the ideal size for travelling and holidays (hand luggage friendly). The 20ml jar offers 12 weeks of use and aims to provide visible and long-lasting results. This multi-active night cream has scientifically advance ingredients at highly concentrated levels and tries to provide over 51 anti-ageing benefits (did you know so many existed?) The active ingredients work together to encourage the growth and the generation of new skin cells, and promote collagen and hyaluronic acid to protect against genetic ageing.