Alpha-synuclein exists in two forms: an active form, which is involved in the release of dopamine, and an inactive form that can form Lewy bodies
Therefore, to the extent that (above items) qualify as parts, components, liquids, or accessories of ENDS devices, then they are now generally nonmailable. USPS added, interpretive questions about whether a specific item falls within the statutory definition should be directed to the Bureau of Alcohol, Tobacco, Firearms, and Explosives, with a copy to the Postal Services Pricing and Classification Service Center. The relevant provisions of the new rules are highlighted below for reference
Inspectors' review of labels to determine if the stated nicotine concentration exceeds 20 mg/mL will also become part of existing VPLPR-related activities
The hue is a result of the ingredients, which is normal and not indicative of any product defect