YoyoFactory offer 2 types of oil. A thicker style for looping/responsive play, and a thinner style for high speed spins and modern unresponsive styles.
Offers a strong response for looping yo-yos, and also recommended for use in beginner yo-yos as well where more response is needed.
Gorillius Lubricus (bearing conditioner).
This product is not just an oil, it is a conditioner. Gorillius Lubricus conditions, lubricates and refurbishes the steel for a quieter longer lasting bearing.