Snip the top off. Inside the lid is a little spike, this fits back into the opening to close the tube after use. Always keep the tube sealed to avoid oxidation.
Each tube will last at least 14 under the eye applications (under both eyes).
Wipe over the area of application, then tap your finger over the same area until totally absorbed. It becomes sticky, then you can't feel it.
Apply the product, fan your face as quickly as possible REMAINING EXPRESSIONLESS until dry.
If used every day then the effects are up to 80% permanent.
This is normal on the first application. Thereafter it subsides. This is due to the absorption of the hydrolyzed collagen, the magic ingredient.
Because you have not tapped it in enough, OR you've applied too much. A little goes a long way!!