non melanotic pigmentation Black and Brown: Non-neoplastic of the Oral Mucosa | Head and Neck Pathology ✓ Conditions You Will Learn

Besides the obvious stimulating ingredients above I also spotted that this product has "Capsicum Frutescens Fruit Extract", which is an extract from the Capsicum fruit or more commonly know as the chilli pepper, hence the intense tingle and I would imagine, a product not to be used by anyone that has an allergic reaction to peppers or chilli's

Cristaldi, V

[DOI] [PubMed] [Google Scholar] Wang J., Wang C., Han X

doi: 10.1007/s00428-008-0611-z

To those who are looking for a sugar-free product

BOX 7-1 Lesion Characteristics in Nails That Should Raise a Red Flag Location: Single digit, thumb, or great toe nails Appearance: Fast growth, longitudinal melanonychia, band width more than 3-5 mm Hutchinsons Sign: Periungual pigmentation of skin Nail Dystrophy: Notch in free distal nail margin, surface irregularity, oozing, or bleeding lesion similar to ingrown nail Melanonychia striata Brown longitudinal stria (plural is striae) that occurs in the nail is called melanonychia striata