Self Tan products offer a wide variety of DHA percentages to achieve various levels of tan. Self Tan products will always show a guide colour. The guide colour will not stain clothing or linens. When using the Purity products you can apply and go (tan will develop in 3hrs with no need to rinse off) Self Tan products are available in various application methods including mousse, lotion, gel, sheet mask and facial mist. All Self Tan retail products have equivalent professional solution.