It rather depends on the nature of the keratosis.
A keratosis tells us only that there is a growth of the skin. Could be callus, H durum, Hmille, V pedis, fiberous HD or "other". The best treatment will depend on which it is. 2-3rd suggests its not on the met head and if its a single lesion it raises questions about what it is.
A photograph would be most useful.
Which pads are best to start using to relieve pressure at the site
depends on the exact location of the lesion and the nature of the foot.
What are some of the better recommendations for the conservative treatment approach
Depends on the nature of the lesion.
We need more information to help you.
Specialist in Biomechanical Therapies
small, yellow, leech-like, and probably the oddest thing in the universe
Semper in excretum sum sed alta variat