Caribbeantan Darkening Drops - Self Tan Additive 30mlDescription How to Use Additional Information These pure colour drops take your tan from natural golden bronze, to va va voom I spent my entire summer on the beach all day, every day, and have the darkest ever tan to show. Depending on the amount of drops used, these drops are great to add colour to a normal self tan for dance or body building events. Add 1 5 drops to the usual amount of shimmer cream that you would use for a full body application.