That fact cemented Skinceuticals serum’s status as a product that actually works. To say the serum is beloved is an ...

The type of vitamin C matters, too. Ibrahimi advises to choose a vitamin C serum made with L-Ascorbic acid, since it’s an active form of vitamin C. Keep reading for our favorite vitamin C serums ...

Its lightweight, gel-like consistency contains 10 percent L-ascorbic acid to smooth fine lines and reduce discoloration, with the brand’s signature ceramides blend that supports the skin barrier.

Combining polyethylene glycol plus ascorbic acid (PEG-Asc) with adjuvants has been ... This study aimed to evaluate whether adding 0.5 mg linaclotide to 1-L PEG-Asc (1 L-PEG/AL) improves superior ...

Barry, V. C., and Mitchell, P. W. D., J. Chem. Soc., 4020 (1954). Ingles, D. L., Chem. and Indust., 1045 (1959). Kieser, M. E., and Pollard, A., Nature, 159, 65 (1947).