Usage method :Â Drop some essential oils you need on the refill pad. How many drops of oil you add is going to be entirely up to you. The more oil you use, the stronger the aroma. We advise you to add oil drop by drop until you get the desire aroma. Then you can wear your favorite aroma anywhere. Maintenance method :Â Please use a soft cloth to clean the diffuser pendant. Package Included: 1 x Diffuser Locket 1 x Chain 8x Refill pads