Nicotinamide, a variant of vitamin B3 commonly referred to as niacinamide or nicotinic acid amide is frequently utilized in skincare products
A formulation that does not penetrate the skin barrier effectively delivers less peptide to the dermal target than the concentration would suggest, while a penetration-enhanced formulation delivers more

Beatriz Amma (pictured before infection), a fitness fanatic who 'loved wearing bikinis' moved to LA, California, in February 2021 with dreams of becoming an online fitness guru The 26-year-old (pictured before infection) headed to a spa, where she paid $800 (657) for shots of vitamin B12 mixed with vitamin C and deoxycholic acid, a popular 'fat dissolver' However, the former health store manager (pictured after infection) became unwell within hours and went to hospital a couple of weeks later after red welts developed all over her skin Beatriz, who attended the unnamed clinic in Burbank in spring 2021, said: 'It all looked super legit, clean, professional.' Staff at the spa advised her that the 'more injections the better' and that it would be more effective if she had them in more than one area
To compensate for the lack of oxygen-rich blood, your heart has to work overtime, sometimes beating up to 20-30% faster in severe cases