A full 4-week face peeling treatment that provides the complexion with full support using four separate tailored treatments. The Progressive Renewal Treatment enables smoother, brighter and more youthful-looking skin.Using hydroxy acids this treatment gently exfoliates the skin, gradually building in strength throughout the four-week treatment. Idebenone acts as a powerful antioxidant that protects the skin against free radical damage.To use: Apply evenings to the cleansed face. Each of the four serums is designed for one week of treatment in sequential order, forming a four-week treatment in total.Set includes: – Phase 1 Serum 10ml:Week 1, renews the skins radiance and clarity.- Phase 2 Serum 10ml:Week 2, reduces the appearance of fine lines and pores for smoother skin.- Phase 3 Serum 10ml:Reduces the appearance of deeper lines in the skin.- Phase 4 Serum 10ml:Evens the skins tone and enables a more youthful appearance.