Posted on January 31, 2019January 31, 2019 by adminRetinol Retinol is the gold standard of anti-agers for its ability to produce collagen. C4 Retinol Serum with PSC – this serum is a must for people in their 20s and 30s. It turns over your skin cells and produces collagen but is not too strong for young skin. Retinol Creme is perfect for maturing skin. For smoother, brighter and younger looking skin. A blend of retinol, Hexylresorcinol, Resorcinol, vitamin C, Mulberry Extract and Argilene work together to achieve a smooth and radiant skin tone. Call English Rose Day Spa to try these great products!