SVA Organics Coffee Oil Co2 Extracted 1/3 Oz 100% Pure Natural Premium Therapeutic Grade Undiluted Essential Oil for Face, Skin, Hair, Massage, Diffuser, Aromatherapy

It's the best for me but I would prefer it if a bigger bottle.

I mix this with moisturizer and smooth it on under my eyes before I go to bed at night.

So firstly, this oil is a delicious deep roasted coffee smell, exactly like walking into a coffee shop!However, if you are looking to diffuse this in an ultrasonic diffuser: Don't. I tried, believe me. The best result was when I put about 12 drops in 50 mL water, but even that was weak and my diffuser was making sad spluttering noises. Plus this'll leave a dark residue in the diffuser tank.Instead, use this in an oil warmer diffuser. I put 3-4 drops in the dish, turned on the heat, and also pointed a fan at it. That made lovely coffee smell circulate around my house! Without the fan, the smell will only be apparent near the oil warmer.TL:DR: Great oil for heating if you want the smell, but not good for ultrasonic diffuser.

Would buy again nice smell

This oil smells amazing straight out of the bottle. I was excited to try it in my diffuser, but sadly it did not smell very well being diffused. Afterward, I noticed a greasy film in my diffuser that I had a tough time cleaning out. I hope I can find other ways to enjoy this oil without diffusing. I may try making a room spray or adding to a moisturizer.