White powder with some clumping
Given that this product is water soluble we assume you will find the clumps do not present a problem.
In the pic below
Step 1 is a clump
Step 2 is after being pressed gently with the heel of the hand
Step 3 is after being pressed gently with a wooden spoon
Topical application of niacinamide has been shown to increase ceramide and free fatty acid levels in skin and to prevent skin from losing water content.
Use in your lotions/creams up to 2.5%.
Melting Point: 129C