How to Prevent Scent Fading in Soap | BrambleBerry
To ensure the scent stays strong, cure soap in a cool, dry place out of direct sunlight. Learn more in the How to Store Handmade Bath Products article. You can also dip a cotton ball or balled up paper towel in the fragrance oil and place it by the soap while it’s curing. That's thought to help the bars absorb some of the scent as it cures.