Package includes: 35 x Bottles Essential Oils 4 x Droppers 1 x MAYJAM Gift Box Lavender、Jasmine、Eucalyptus、Vanilla、Peppermint、Sandalwood、Frankincense、Sweet Orange、Ylang Ylang、Lemon、Rose、Bergamot、Tea Tree、Lemongrass、Patchouli、Rosemary、Geranium、Citronella、Chamomile、JuniperBerry、Basil、Cedarwood、Clary Sage、Vetiver、Grapefruit、Cypress、Tangerine、Myrrh、Oregano、Neroli、Helichrysum、Copaiba、Lemon Eucalyptus、Turmeric、Spearmint How to use the essential oils? DIY Natural Solid Balm DIY lip balm DIY aromatherapy candle DIY hair care essential oils DIY Essential Oil Bath Balls DIY Essential Oil Air Freshener How many drops of essential oil in a 500ml aromadiffuser? Between 3 to 5 drops of an essential oil are recommended to use in a diffuser, if the size of a diffuser is 100 ml.Therefore, it is recommended to use 15 to 25 drops of essential oil for a 500 ml diffuser. And 15 drops is a standard amount that can be used as a trial, if you are using a 500ml aroma diffuser for the first time. It’s recommended to start from the lowest amount of essential oil drops and then increase the amount to 25 drops. How many drops of essential oil need to be added in the essential oil burner? Add 30ml-50ml of water to the essential oil burner, it is recommended to add 3 to 8 drops of essential oil. Warning: * Do not use essential oils internally. * Do not apply directly to skin; always dilute with carrier oil. * Keep out of reach of children. * Avoid contact with eyes and mucous membranes. * Do not use citrus oils before exposure to UV light. * Use only pure essential oils; avoid synthetic fragrances. * Avoid prolonged exposure without ventilation. * Store essential oils and carrier oils properly to avoid degradation and rancidity.