A derivative of vitamin A, retinol "is a less potent version of vitamin A compared to a retinoid, which is the most potent version of vitamin A," explains Hartman. Retinol has become a catch-all term ...
Niacinamide is a popular ingredient found in skin care products that promise to prevent signs of ageing and treat skin conditions such as acne. It is also a star ingredient in hair care products such ...
"Niacinamide is a version of vitamin B3," says Hartman. "It is also found in numerous skincare products for its skin health benefits, including improvement of skin texture and tone and the ...