The Electro-Sonic DF Mobile Skincare Device should be used by those who want to maximise the benefits of their professional salon treatments through a combination of skincare products and the handheld device. Use alongside with: Tri-Peptide Complex+ Avance Elixir, Peptide Enriched Frown Serum, Concentrated Retinol Serum 1-3, HA Intensive Hydrating Serum, Vita-Enriched Colostrum Gel, Body Profile.